Home / 64,972.60-97,458.90-15,724.60

Finding the Fourth Proportional to 64,972.60, 97,458.90 and 15,724.60

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Solution

The fourth proportional to 64,972.60, 97,458.90 and 15,724.60 is: 23,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,972.60 : 97,458.90 = 15,724.60 : x
  2. Step 2: Convert to fraction form
    64,972.60/97,458.90 = 15,724.60/x
  3. Step 3: Cross multiply
    64,972.60x = 97,458.90 × 15,724.60
  4. Step 4: Simplify right side
    64,972.60x = 1,532,502,218.94
  5. Step 5: Solve for x
    x = 1,532,502,218.94/64,972.60
  6. Step 6: Final answer
    x = 23,586.90

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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.