Home / 23,117.56-31,915.92-15,173.68

Finding the Fourth Proportional to 23,117.56, 31,915.92 and 15,173.68

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Solution

The fourth proportional to 23,117.56, 31,915.92 and 15,173.68 is: 20,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.56 : 31,915.92 = 15,173.68 : x
  2. Step 2: Convert to fraction form
    23,117.56/31,915.92 = 15,173.68/x
  3. Step 3: Cross multiply
    23,117.56x = 31,915.92 × 15,173.68
  4. Step 4: Simplify right side
    23,117.56x = 484,281,956.99
  5. Step 5: Solve for x
    x = 484,281,956.99/23,117.56
  6. Step 6: Final answer
    x = 20,948.66

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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.