Home / 52,301.52-72,173.10-28,428

Finding the Fourth Proportional to 52,301.52, 72,173.10 and 28,428

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Solution

The fourth proportional to 52,301.52, 72,173.10 and 28,428 is: 39,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.52 : 72,173.10 = 28,428 : x
  2. Step 2: Convert to fraction form
    52,301.52/72,173.10 = 28,428/x
  3. Step 3: Cross multiply
    52,301.52x = 72,173.10 × 28,428
  4. Step 4: Simplify right side
    52,301.52x = 2,051,736,886.80
  5. Step 5: Solve for x
    x = 2,051,736,886.80/52,301.52
  6. Step 6: Final answer
    x = 39,229.01

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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.