Home / 28,002.96-38,648.88-19,044.36

Finding the Fourth Proportional to 28,002.96, 38,648.88 and 19,044.36

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Solution

The fourth proportional to 28,002.96, 38,648.88 and 19,044.36 is: 26,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.96 : 38,648.88 = 19,044.36 : x
  2. Step 2: Convert to fraction form
    28,002.96/38,648.88 = 19,044.36/x
  3. Step 3: Cross multiply
    28,002.96x = 38,648.88 × 19,044.36
  4. Step 4: Simplify right side
    28,002.96x = 736,043,184.32
  5. Step 5: Solve for x
    x = 736,043,184.32/28,002.96
  6. Step 6: Final answer
    x = 26,284.48

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.