Home / 28,027.44-38,678.12-17,417.52

Finding the Fourth Proportional to 28,027.44, 38,678.12 and 17,417.52

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Solution

The fourth proportional to 28,027.44, 38,678.12 and 17,417.52 is: 24,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.44 : 38,678.12 = 17,417.52 : x
  2. Step 2: Convert to fraction form
    28,027.44/38,678.12 = 17,417.52/x
  3. Step 3: Cross multiply
    28,027.44x = 38,678.12 × 17,417.52
  4. Step 4: Simplify right side
    28,027.44x = 673,676,928.66
  5. Step 5: Solve for x
    x = 673,676,928.66/28,027.44
  6. Step 6: Final answer
    x = 24,036.33

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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.