Home / 27,288.58-40,932.88-12,278.17

Finding the Fourth Proportional to 27,288.58, 40,932.88 and 12,278.17

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Solution

The fourth proportional to 27,288.58, 40,932.88 and 12,278.17 is: 18,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.58 : 40,932.88 = 12,278.17 : x
  2. Step 2: Convert to fraction form
    27,288.58/40,932.88 = 12,278.17/x
  3. Step 3: Cross multiply
    27,288.58x = 40,932.88 × 12,278.17
  4. Step 4: Simplify right side
    27,288.58x = 502,580,859.23
  5. Step 5: Solve for x
    x = 502,580,859.23/27,288.58
  6. Step 6: Final answer
    x = 18,417.26

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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.