Home / 25,612.20-35,339.49-15,545.93

Finding the Fourth Proportional to 25,612.20, 35,339.49 and 15,545.93

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Solution

The fourth proportional to 25,612.20, 35,339.49 and 15,545.93 is: 21,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.20 : 35,339.49 = 15,545.93 : x
  2. Step 2: Convert to fraction form
    25,612.20/35,339.49 = 15,545.93/x
  3. Step 3: Cross multiply
    25,612.20x = 35,339.49 × 15,545.93
  4. Step 4: Simplify right side
    25,612.20x = 549,385,061.08
  5. Step 5: Solve for x
    x = 549,385,061.08/25,612.20
  6. Step 6: Final answer
    x = 21,450.13

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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.