Home / 27,376.64-37,780.87-15,278.18

Finding the Fourth Proportional to 27,376.64, 37,780.87 and 15,278.18

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Solution

The fourth proportional to 27,376.64, 37,780.87 and 15,278.18 is: 21,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.64 : 37,780.87 = 15,278.18 : x
  2. Step 2: Convert to fraction form
    27,376.64/37,780.87 = 15,278.18/x
  3. Step 3: Cross multiply
    27,376.64x = 37,780.87 × 15,278.18
  4. Step 4: Simplify right side
    27,376.64x = 577,222,932.42
  5. Step 5: Solve for x
    x = 577,222,932.42/27,376.64
  6. Step 6: Final answer
    x = 21,084.51

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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.