Home / 25,612.62-35,347.75-15,543.62

Finding the Fourth Proportional to 25,612.62, 35,347.75 and 15,543.62

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Solution

The fourth proportional to 25,612.62, 35,347.75 and 15,543.62 is: 21,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.62 : 35,347.75 = 15,543.62 : x
  2. Step 2: Convert to fraction form
    25,612.62/35,347.75 = 15,543.62/x
  3. Step 3: Cross multiply
    25,612.62x = 35,347.75 × 15,543.62
  4. Step 4: Simplify right side
    25,612.62x = 549,431,993.86
  5. Step 5: Solve for x
    x = 549,431,993.86/25,612.62
  6. Step 6: Final answer
    x = 21,451.61

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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.