Home / 15,397.60-23,096.40-15,167.20

Finding the Fourth Proportional to 15,397.60, 23,096.40 and 15,167.20

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Solution

The fourth proportional to 15,397.60, 23,096.40 and 15,167.20 is: 22,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.60 : 23,096.40 = 15,167.20 : x
  2. Step 2: Convert to fraction form
    15,397.60/23,096.40 = 15,167.20/x
  3. Step 3: Cross multiply
    15,397.60x = 23,096.40 × 15,167.20
  4. Step 4: Simplify right side
    15,397.60x = 350,307,718.08
  5. Step 5: Solve for x
    x = 350,307,718.08/15,397.60
  6. Step 6: Final answer
    x = 22,750.80

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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.