Home / 38,822.60-58,233.90-12,528.20

Finding the Fourth Proportional to 38,822.60, 58,233.90 and 12,528.20

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Solution

The fourth proportional to 38,822.60, 58,233.90 and 12,528.20 is: 18,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,822.60 : 58,233.90 = 12,528.20 : x
  2. Step 2: Convert to fraction form
    38,822.60/58,233.90 = 12,528.20/x
  3. Step 3: Cross multiply
    38,822.60x = 58,233.90 × 12,528.20
  4. Step 4: Simplify right side
    38,822.60x = 729,565,945.98
  5. Step 5: Solve for x
    x = 729,565,945.98/38,822.60
  6. Step 6: Final answer
    x = 18,792.30

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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.