Home / 22,915.76-34,370.60-10,422.32

Finding the Fourth Proportional to 22,915.76, 34,370.60 and 10,422.32

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Solution

The fourth proportional to 22,915.76, 34,370.60 and 10,422.32 is: 15,632.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.76 : 34,370.60 = 10,422.32 : x
  2. Step 2: Convert to fraction form
    22,915.76/34,370.60 = 10,422.32/x
  3. Step 3: Cross multiply
    22,915.76x = 34,370.60 × 10,422.32
  4. Step 4: Simplify right side
    22,915.76x = 358,221,167.83
  5. Step 5: Solve for x
    x = 358,221,167.83/22,915.76
  6. Step 6: Final answer
    x = 15,632.09

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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.