Home / 26,605.65-36,715.79-15,275.88

Finding the Fourth Proportional to 26,605.65, 36,715.79 and 15,275.88

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Solution

The fourth proportional to 26,605.65, 36,715.79 and 15,275.88 is: 21,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.65 : 36,715.79 = 15,275.88 : x
  2. Step 2: Convert to fraction form
    26,605.65/36,715.79 = 15,275.88/x
  3. Step 3: Cross multiply
    26,605.65x = 36,715.79 × 15,275.88
  4. Step 4: Simplify right side
    26,605.65x = 560,866,002.15
  5. Step 5: Solve for x
    x = 560,866,002.15/26,605.65
  6. Step 6: Final answer
    x = 21,080.71

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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.