Home / 29,240.02-40,351.20-15,811.24

Finding the Fourth Proportional to 29,240.02, 40,351.20 and 15,811.24

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Solution

The fourth proportional to 29,240.02, 40,351.20 and 15,811.24 is: 21,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.02 : 40,351.20 = 15,811.24 : x
  2. Step 2: Convert to fraction form
    29,240.02/40,351.20 = 15,811.24/x
  3. Step 3: Cross multiply
    29,240.02x = 40,351.20 × 15,811.24
  4. Step 4: Simplify right side
    29,240.02x = 638,002,397.76
  5. Step 5: Solve for x
    x = 638,002,397.76/29,240.02
  6. Step 6: Final answer
    x = 21,819.49

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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.