Home / 52,680.38-72,698.99-28,806.98

Finding the Fourth Proportional to 52,680.38, 72,698.99 and 28,806.98

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Solution

The fourth proportional to 52,680.38, 72,698.99 and 28,806.98 is: 39,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.38 : 72,698.99 = 28,806.98 : x
  2. Step 2: Convert to fraction form
    52,680.38/72,698.99 = 28,806.98/x
  3. Step 3: Cross multiply
    52,680.38x = 72,698.99 × 28,806.98
  4. Step 4: Simplify right side
    52,680.38x = 2,094,237,843.42
  5. Step 5: Solve for x
    x = 2,094,237,843.42/52,680.38
  6. Step 6: Final answer
    x = 39,753.66

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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.