Home / 52,728.78-72,763.95-28,853.85

Finding the Fourth Proportional to 52,728.78, 72,763.95 and 28,853.85

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Solution

The fourth proportional to 52,728.78, 72,763.95 and 28,853.85 is: 39,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,728.78 : 72,763.95 = 28,853.85 : x
  2. Step 2: Convert to fraction form
    52,728.78/72,763.95 = 28,853.85/x
  3. Step 3: Cross multiply
    52,728.78x = 72,763.95 × 28,853.85
  4. Step 4: Simplify right side
    52,728.78x = 2,099,520,098.71
  5. Step 5: Solve for x
    x = 2,099,520,098.71/52,728.78
  6. Step 6: Final answer
    x = 39,817.35

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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.