Home / 52,428.93-72,351.92-28,555.61

Finding the Fourth Proportional to 52,428.93, 72,351.92 and 28,555.61

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Solution

The fourth proportional to 52,428.93, 72,351.92 and 28,555.61 is: 39,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.93 : 72,351.92 = 28,555.61 : x
  2. Step 2: Convert to fraction form
    52,428.93/72,351.92 = 28,555.61/x
  3. Step 3: Cross multiply
    52,428.93x = 72,351.92 × 28,555.61
  4. Step 4: Simplify right side
    52,428.93x = 2,066,053,210.27
  5. Step 5: Solve for x
    x = 2,066,053,210.27/52,428.93
  6. Step 6: Final answer
    x = 39,406.74

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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.