Home / 43,237.60-64,817.20-15,529.12

Finding the Fourth Proportional to 43,237.60, 64,817.20 and 15,529.12

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Solution

The fourth proportional to 43,237.60, 64,817.20 and 15,529.12 is: 23,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,237.60 : 64,817.20 = 15,529.12 : x
  2. Step 2: Convert to fraction form
    43,237.60/64,817.20 = 15,529.12/x
  3. Step 3: Cross multiply
    43,237.60x = 64,817.20 × 15,529.12
  4. Step 4: Simplify right side
    43,237.60x = 1,006,554,076.86
  5. Step 5: Solve for x
    x = 1,006,554,076.86/43,237.60
  6. Step 6: Final answer
    x = 23,279.60

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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.