Home / 26,287.47-36,275.04-15,677.28

Finding the Fourth Proportional to 26,287.47, 36,275.04 and 15,677.28

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Solution

The fourth proportional to 26,287.47, 36,275.04 and 15,677.28 is: 21,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.47 : 36,275.04 = 15,677.28 : x
  2. Step 2: Convert to fraction form
    26,287.47/36,275.04 = 15,677.28/x
  3. Step 3: Cross multiply
    26,287.47x = 36,275.04 × 15,677.28
  4. Step 4: Simplify right side
    26,287.47x = 568,693,959.09
  5. Step 5: Solve for x
    x = 568,693,959.09/26,287.47
  6. Step 6: Final answer
    x = 21,633.65

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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.