Home / 52,301.92-72,176.66-28,428.52

Finding the Fourth Proportional to 52,301.92, 72,176.66 and 28,428.52

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Solution

The fourth proportional to 52,301.92, 72,176.66 and 28,428.52 is: 39,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.92 : 72,176.66 = 28,428.52 : x
  2. Step 2: Convert to fraction form
    52,301.92/72,176.66 = 28,428.52/x
  3. Step 3: Cross multiply
    52,301.92x = 72,176.66 × 28,428.52
  4. Step 4: Simplify right side
    52,301.92x = 2,051,875,622.34
  5. Step 5: Solve for x
    x = 2,051,875,622.34/52,301.92
  6. Step 6: Final answer
    x = 39,231.36

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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.