Home / 19,872.30-27,407.79-17,477.10

Finding the Fourth Proportional to 19,872.30, 27,407.79 and 17,477.10

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Solution

The fourth proportional to 19,872.30, 27,407.79 and 17,477.10 is: 24,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872.30 : 27,407.79 = 17,477.10 : x
  2. Step 2: Convert to fraction form
    19,872.30/27,407.79 = 17,477.10/x
  3. Step 3: Cross multiply
    19,872.30x = 27,407.79 × 17,477.10
  4. Step 4: Simplify right side
    19,872.30x = 479,008,686.61
  5. Step 5: Solve for x
    x = 479,008,686.61/19,872.30
  6. Step 6: Final answer
    x = 24,104.34

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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.