Home / 52,428.92-72,352.73-28,555.57

Finding the Fourth Proportional to 52,428.92, 72,352.73 and 28,555.57

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Solution

The fourth proportional to 52,428.92, 72,352.73 and 28,555.57 is: 39,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.92 : 72,352.73 = 28,555.57 : x
  2. Step 2: Convert to fraction form
    52,428.92/72,352.73 = 28,555.57/x
  3. Step 3: Cross multiply
    52,428.92x = 72,352.73 × 28,555.57
  4. Step 4: Simplify right side
    52,428.92x = 2,066,073,336.71
  5. Step 5: Solve for x
    x = 2,066,073,336.71/52,428.92
  6. Step 6: Final answer
    x = 39,407.13

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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.