Home / 29,887.12-41,242.80-17,315.92

Finding the Fourth Proportional to 29,887.12, 41,242.80 and 17,315.92

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Solution

The fourth proportional to 29,887.12, 41,242.80 and 17,315.92 is: 23,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,887.12 : 41,242.80 = 17,315.92 : x
  2. Step 2: Convert to fraction form
    29,887.12/41,242.80 = 17,315.92/x
  3. Step 3: Cross multiply
    29,887.12x = 41,242.80 × 17,315.92
  4. Step 4: Simplify right side
    29,887.12x = 714,157,025.38
  5. Step 5: Solve for x
    x = 714,157,025.38/29,887.12
  6. Step 6: Final answer
    x = 23,895.14

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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.