Home / 52,378.61-72,282.54-28,505.27

Finding the Fourth Proportional to 52,378.61, 72,282.54 and 28,505.27

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Solution

The fourth proportional to 52,378.61, 72,282.54 and 28,505.27 is: 39,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.61 : 72,282.54 = 28,505.27 : x
  2. Step 2: Convert to fraction form
    52,378.61/72,282.54 = 28,505.27/x
  3. Step 3: Cross multiply
    52,378.61x = 72,282.54 × 28,505.27
  4. Step 4: Simplify right side
    52,378.61x = 2,060,432,957.57
  5. Step 5: Solve for x
    x = 2,060,432,957.57/52,378.61
  6. Step 6: Final answer
    x = 39,337.30

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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.