Home / 27,375.64-37,779.49-15,277.18

Finding the Fourth Proportional to 27,375.64, 37,779.49 and 15,277.18

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Solution

The fourth proportional to 27,375.64, 37,779.49 and 15,277.18 is: 21,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.64 : 37,779.49 = 15,277.18 : x
  2. Step 2: Convert to fraction form
    27,375.64/37,779.49 = 15,277.18/x
  3. Step 3: Cross multiply
    27,375.64x = 37,779.49 × 15,277.18
  4. Step 4: Simplify right side
    27,375.64x = 577,164,069.04
  5. Step 5: Solve for x
    x = 577,164,069.04/27,375.64
  6. Step 6: Final answer
    x = 21,083.13

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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.