Home / 52,262.87-72,123.38-28,389.92

Finding the Fourth Proportional to 52,262.87, 72,123.38 and 28,389.92

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Solution

The fourth proportional to 52,262.87, 72,123.38 and 28,389.92 is: 39,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.87 : 72,123.38 = 28,389.92 : x
  2. Step 2: Convert to fraction form
    52,262.87/72,123.38 = 28,389.92/x
  3. Step 3: Cross multiply
    52,262.87x = 72,123.38 × 28,389.92
  4. Step 4: Simplify right side
    52,262.87x = 2,047,576,485.76
  5. Step 5: Solve for x
    x = 2,047,576,485.76/52,262.87
  6. Step 6: Final answer
    x = 39,178.42

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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.