Home / 28,862.20-43,328.40-18,332.20

Finding the Fourth Proportional to 28,862.20, 43,328.40 and 18,332.20

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Solution

The fourth proportional to 28,862.20, 43,328.40 and 18,332.20 is: 27,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.20 : 43,328.40 = 18,332.20 : x
  2. Step 2: Convert to fraction form
    28,862.20/43,328.40 = 18,332.20/x
  3. Step 3: Cross multiply
    28,862.20x = 43,328.40 × 18,332.20
  4. Step 4: Simplify right side
    28,862.20x = 794,304,894.48
  5. Step 5: Solve for x
    x = 794,304,894.48/28,862.20
  6. Step 6: Final answer
    x = 27,520.59

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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.