Home / 23,127.28-31,915.78-13,056.12

Finding the Fourth Proportional to 23,127.28, 31,915.78 and 13,056.12

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Solution

The fourth proportional to 23,127.28, 31,915.78 and 13,056.12 is: 18,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.28 : 31,915.78 = 13,056.12 : x
  2. Step 2: Convert to fraction form
    23,127.28/31,915.78 = 13,056.12/x
  3. Step 3: Cross multiply
    23,127.28x = 31,915.78 × 13,056.12
  4. Step 4: Simplify right side
    23,127.28x = 416,696,253.57
  5. Step 5: Solve for x
    x = 416,696,253.57/23,127.28
  6. Step 6: Final answer
    x = 18,017.52

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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.