Home / 15,818.20-23,727.30-15,587.80

Finding the Fourth Proportional to 15,818.20, 23,727.30 and 15,587.80

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Solution

The fourth proportional to 15,818.20, 23,727.30 and 15,587.80 is: 23,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.20 : 23,727.30 = 15,587.80 : x
  2. Step 2: Convert to fraction form
    15,818.20/23,727.30 = 15,587.80/x
  3. Step 3: Cross multiply
    15,818.20x = 23,727.30 × 15,587.80
  4. Step 4: Simplify right side
    15,818.20x = 369,856,406.94
  5. Step 5: Solve for x
    x = 369,856,406.94/15,818.20
  6. Step 6: Final answer
    x = 23,381.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.