Home / 38,864.40-58,258.20-15,459.60

Finding the Fourth Proportional to 38,864.40, 58,258.20 and 15,459.60

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Solution

The fourth proportional to 38,864.40, 58,258.20 and 15,459.60 is: 23,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,864.40 : 58,258.20 = 15,459.60 : x
  2. Step 2: Convert to fraction form
    38,864.40/58,258.20 = 15,459.60/x
  3. Step 3: Cross multiply
    38,864.40x = 58,258.20 × 15,459.60
  4. Step 4: Simplify right side
    38,864.40x = 900,648,468.72
  5. Step 5: Solve for x
    x = 900,648,468.72/38,864.40
  6. Step 6: Final answer
    x = 23,174.13

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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.