Home / 25,612.60-38,443.20-15,771.10

Finding the Fourth Proportional to 25,612.60, 38,443.20 and 15,771.10

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Solution

The fourth proportional to 25,612.60, 38,443.20 and 15,771.10 is: 23,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.60 : 38,443.20 = 15,771.10 : x
  2. Step 2: Convert to fraction form
    25,612.60/38,443.20 = 15,771.10/x
  3. Step 3: Cross multiply
    25,612.60x = 38,443.20 × 15,771.10
  4. Step 4: Simplify right side
    25,612.60x = 606,291,551.52
  5. Step 5: Solve for x
    x = 606,291,551.52/25,612.60
  6. Step 6: Final answer
    x = 23,671.61

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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.