Home / 29,999.20-41,400.72-17,256.40

Finding the Fourth Proportional to 29,999.20, 41,400.72 and 17,256.40

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Solution

The fourth proportional to 29,999.20, 41,400.72 and 17,256.40 is: 23,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.20 : 41,400.72 = 17,256.40 : x
  2. Step 2: Convert to fraction form
    29,999.20/41,400.72 = 17,256.40/x
  3. Step 3: Cross multiply
    29,999.20x = 41,400.72 × 17,256.40
  4. Step 4: Simplify right side
    29,999.20x = 714,427,384.61
  5. Step 5: Solve for x
    x = 714,427,384.61/29,999.20
  6. Step 6: Final answer
    x = 23,814.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.