Home / 52,265.29-72,126.21-28,391.80

Finding the Fourth Proportional to 52,265.29, 72,126.21 and 28,391.80

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Solution

The fourth proportional to 52,265.29, 72,126.21 and 28,391.80 is: 39,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,265.29 : 72,126.21 = 28,391.80 : x
  2. Step 2: Convert to fraction form
    52,265.29/72,126.21 = 28,391.80/x
  3. Step 3: Cross multiply
    52,265.29x = 72,126.21 × 28,391.80
  4. Step 4: Simplify right side
    52,265.29x = 2,047,792,929.08
  5. Step 5: Solve for x
    x = 2,047,792,929.08/52,265.29
  6. Step 6: Final answer
    x = 39,180.74

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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.