Home / 29,127.15-43,700.27-9,405.86

Finding the Fourth Proportional to 29,127.15, 43,700.27 and 9,405.86

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Solution

The fourth proportional to 29,127.15, 43,700.27 and 9,405.86 is: 14,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,127.15 : 43,700.27 = 9,405.86 : x
  2. Step 2: Convert to fraction form
    29,127.15/43,700.27 = 9,405.86/x
  3. Step 3: Cross multiply
    29,127.15x = 43,700.27 × 9,405.86
  4. Step 4: Simplify right side
    29,127.15x = 411,038,356.05
  5. Step 5: Solve for x
    x = 411,038,356.05/29,127.15
  6. Step 6: Final answer
    x = 14,111.86

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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.