Home / 29,410.65-40,586.96-15,981.90

Finding the Fourth Proportional to 29,410.65, 40,586.96 and 15,981.90

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Solution

The fourth proportional to 29,410.65, 40,586.96 and 15,981.90 is: 22,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,410.65 : 40,586.96 = 15,981.90 : x
  2. Step 2: Convert to fraction form
    29,410.65/40,586.96 = 15,981.90/x
  3. Step 3: Cross multiply
    29,410.65x = 40,586.96 × 15,981.90
  4. Step 4: Simplify right side
    29,410.65x = 648,656,656.11
  5. Step 5: Solve for x
    x = 648,656,656.11/29,410.65
  6. Step 6: Final answer
    x = 22,055.17

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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.