Home / 40,781.08-56,323.49-28,073.25

Finding the Fourth Proportional to 40,781.08, 56,323.49 and 28,073.25

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Solution

The fourth proportional to 40,781.08, 56,323.49 and 28,073.25 is: 38,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.08 : 56,323.49 = 28,073.25 : x
  2. Step 2: Convert to fraction form
    40,781.08/56,323.49 = 28,073.25/x
  3. Step 3: Cross multiply
    40,781.08x = 56,323.49 × 28,073.25
  4. Step 4: Simplify right side
    40,781.08x = 1,581,183,275.28
  5. Step 5: Solve for x
    x = 1,581,183,275.28/40,781.08
  6. Step 6: Final answer
    x = 38,772.47

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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.