Home / 38,859.20-58,288.80-15,502.40

Finding the Fourth Proportional to 38,859.20, 58,288.80 and 15,502.40

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Solution

The fourth proportional to 38,859.20, 58,288.80 and 15,502.40 is: 23,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.20 : 58,288.80 = 15,502.40 : x
  2. Step 2: Convert to fraction form
    38,859.20/58,288.80 = 15,502.40/x
  3. Step 3: Cross multiply
    38,859.20x = 58,288.80 × 15,502.40
  4. Step 4: Simplify right side
    38,859.20x = 903,616,293.12
  5. Step 5: Solve for x
    x = 903,616,293.12/38,859.20
  6. Step 6: Final answer
    x = 23,253.60

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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.