Home / 29,328.32-40,473.06-15,900

Finding the Fourth Proportional to 29,328.32, 40,473.06 and 15,900

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Solution

The fourth proportional to 29,328.32, 40,473.06 and 15,900 is: 21,941.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,328.32 : 40,473.06 = 15,900 : x
  2. Step 2: Convert to fraction form
    29,328.32/40,473.06 = 15,900/x
  3. Step 3: Cross multiply
    29,328.32x = 40,473.06 × 15,900
  4. Step 4: Simplify right side
    29,328.32x = 643,521,654
  5. Step 5: Solve for x
    x = 643,521,654/29,328.32
  6. Step 6: Final answer
    x = 21,941.99

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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.