Home / 38,002.40-57,003.60-15,808.40

Finding the Fourth Proportional to 38,002.40, 57,003.60 and 15,808.40

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Solution

The fourth proportional to 38,002.40, 57,003.60 and 15,808.40 is: 23,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.40 : 57,003.60 = 15,808.40 : x
  2. Step 2: Convert to fraction form
    38,002.40/57,003.60 = 15,808.40/x
  3. Step 3: Cross multiply
    38,002.40x = 57,003.60 × 15,808.40
  4. Step 4: Simplify right side
    38,002.40x = 901,135,710.24
  5. Step 5: Solve for x
    x = 901,135,710.24/38,002.40
  6. Step 6: Final answer
    x = 23,712.60

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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.