Home / 27,180.40-40,737.14-12,956.36

Finding the Fourth Proportional to 27,180.40, 40,737.14 and 12,956.36

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Solution

The fourth proportional to 27,180.40, 40,737.14 and 12,956.36 is: 19,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.40 : 40,737.14 = 12,956.36 : x
  2. Step 2: Convert to fraction form
    27,180.40/40,737.14 = 12,956.36/x
  3. Step 3: Cross multiply
    27,180.40x = 40,737.14 × 12,956.36
  4. Step 4: Simplify right side
    27,180.40x = 527,805,051.21
  5. Step 5: Solve for x
    x = 527,805,051.21/27,180.40
  6. Step 6: Final answer
    x = 19,418.59

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1.5x scale

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.