Home / 27,760.46-38,312.07-15,187.10

Finding the Fourth Proportional to 27,760.46, 38,312.07 and 15,187.10

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Solution

The fourth proportional to 27,760.46, 38,312.07 and 15,187.10 is: 20,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.46 : 38,312.07 = 15,187.10 : x
  2. Step 2: Convert to fraction form
    27,760.46/38,312.07 = 15,187.10/x
  3. Step 3: Cross multiply
    27,760.46x = 38,312.07 × 15,187.10
  4. Step 4: Simplify right side
    27,760.46x = 581,849,238.30
  5. Step 5: Solve for x
    x = 581,849,238.30/27,760.46
  6. Step 6: Final answer
    x = 20,959.64

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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.