Home / 29,043.28-40,077.32-16,294.72

Finding the Fourth Proportional to 29,043.28, 40,077.32 and 16,294.72

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Solution

The fourth proportional to 29,043.28, 40,077.32 and 16,294.72 is: 22,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.28 : 40,077.32 = 16,294.72 : x
  2. Step 2: Convert to fraction form
    29,043.28/40,077.32 = 16,294.72/x
  3. Step 3: Cross multiply
    29,043.28x = 40,077.32 × 16,294.72
  4. Step 4: Simplify right side
    29,043.28x = 653,048,707.75
  5. Step 5: Solve for x
    x = 653,048,707.75/29,043.28
  6. Step 6: Final answer
    x = 22,485.36

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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.