Home / 52,263.04-72,123.12-28,389.68

Finding the Fourth Proportional to 52,263.04, 72,123.12 and 28,389.68

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Solution

The fourth proportional to 52,263.04, 72,123.12 and 28,389.68 is: 39,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,263.04 : 72,123.12 = 28,389.68 : x
  2. Step 2: Convert to fraction form
    52,263.04/72,123.12 = 28,389.68/x
  3. Step 3: Cross multiply
    52,263.04x = 72,123.12 × 28,389.68
  4. Step 4: Simplify right side
    52,263.04x = 2,047,552,297.40
  5. Step 5: Solve for x
    x = 2,047,552,297.40/52,263.04
  6. Step 6: Final answer
    x = 39,177.83

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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.