Home / 29,304.72-40,440.71-15,875.96

Finding the Fourth Proportional to 29,304.72, 40,440.71 and 15,875.96

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Solution

The fourth proportional to 29,304.72, 40,440.71 and 15,875.96 is: 21,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.72 : 40,440.71 = 15,875.96 : x
  2. Step 2: Convert to fraction form
    29,304.72/40,440.71 = 15,875.96/x
  3. Step 3: Cross multiply
    29,304.72x = 40,440.71 × 15,875.96
  4. Step 4: Simplify right side
    29,304.72x = 642,034,931.82
  5. Step 5: Solve for x
    x = 642,034,931.82/29,304.72
  6. Step 6: Final answer
    x = 21,908.93

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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.