Home / 38,823.80-58,221.30-15,445.40

Finding the Fourth Proportional to 38,823.80, 58,221.30 and 15,445.40

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Solution

The fourth proportional to 38,823.80, 58,221.30 and 15,445.40 is: 23,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,823.80 : 58,221.30 = 15,445.40 : x
  2. Step 2: Convert to fraction form
    38,823.80/58,221.30 = 15,445.40/x
  3. Step 3: Cross multiply
    38,823.80x = 58,221.30 × 15,445.40
  4. Step 4: Simplify right side
    38,823.80x = 899,251,267.02
  5. Step 5: Solve for x
    x = 899,251,267.02/38,823.80
  6. Step 6: Final answer
    x = 23,162.37

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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.