Home / 52,631.48-72,628.80-28,753.76

Finding the Fourth Proportional to 52,631.48, 72,628.80 and 28,753.76

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Solution

The fourth proportional to 52,631.48, 72,628.80 and 28,753.76 is: 39,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.48 : 72,628.80 = 28,753.76 : x
  2. Step 2: Convert to fraction form
    52,631.48/72,628.80 = 28,753.76/x
  3. Step 3: Cross multiply
    52,631.48x = 72,628.80 × 28,753.76
  4. Step 4: Simplify right side
    52,631.48x = 2,088,351,084.29
  5. Step 5: Solve for x
    x = 2,088,351,084.29/52,631.48
  6. Step 6: Final answer
    x = 39,678.75

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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.