Home / 23,531.78-32,473.71-12,921.18

Finding the Fourth Proportional to 23,531.78, 32,473.71 and 12,921.18

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Solution

The fourth proportional to 23,531.78, 32,473.71 and 12,921.18 is: 17,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,531.78 : 32,473.71 = 12,921.18 : x
  2. Step 2: Convert to fraction form
    23,531.78/32,473.71 = 12,921.18/x
  3. Step 3: Cross multiply
    23,531.78x = 32,473.71 × 12,921.18
  4. Step 4: Simplify right side
    23,531.78x = 419,598,652.18
  5. Step 5: Solve for x
    x = 419,598,652.18/23,531.78
  6. Step 6: Final answer
    x = 17,831.15

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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.