Home / 17,820.06-26,613.78-15,159.21

Finding the Fourth Proportional to 17,820.06, 26,613.78 and 15,159.21

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Solution

The fourth proportional to 17,820.06, 26,613.78 and 15,159.21 is: 22,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.06 : 26,613.78 = 15,159.21 : x
  2. Step 2: Convert to fraction form
    17,820.06/26,613.78 = 15,159.21/x
  3. Step 3: Cross multiply
    17,820.06x = 26,613.78 × 15,159.21
  4. Step 4: Simplify right side
    17,820.06x = 403,443,879.91
  5. Step 5: Solve for x
    x = 403,443,879.91/17,820.06
  6. Step 6: Final answer
    x = 22,639.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.