Home / 28,240.72-38,973.96-16,306.24

Finding the Fourth Proportional to 28,240.72, 38,973.96 and 16,306.24

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Solution

The fourth proportional to 28,240.72, 38,973.96 and 16,306.24 is: 22,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.72 : 38,973.96 = 16,306.24 : x
  2. Step 2: Convert to fraction form
    28,240.72/38,973.96 = 16,306.24/x
  3. Step 3: Cross multiply
    28,240.72x = 38,973.96 × 16,306.24
  4. Step 4: Simplify right side
    28,240.72x = 635,518,745.51
  5. Step 5: Solve for x
    x = 635,518,745.51/28,240.72
  6. Step 6: Final answer
    x = 22,503.63

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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.