Home / 52,262.28-72,122.60-28,389.35

Finding the Fourth Proportional to 52,262.28, 72,122.60 and 28,389.35

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Solution

The fourth proportional to 52,262.28, 72,122.60 and 28,389.35 is: 39,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.28 : 72,122.60 = 28,389.35 : x
  2. Step 2: Convert to fraction form
    52,262.28/72,122.60 = 28,389.35/x
  3. Step 3: Cross multiply
    52,262.28x = 72,122.60 × 28,389.35
  4. Step 4: Simplify right side
    52,262.28x = 2,047,513,985.59
  5. Step 5: Solve for x
    x = 2,047,513,985.59/52,262.28
  6. Step 6: Final answer
    x = 39,177.66

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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.