Home / 18,342.86-27,514.28-17,407.91

Finding the Fourth Proportional to 18,342.86, 27,514.28 and 17,407.91

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Solution

The fourth proportional to 18,342.86, 27,514.28 and 17,407.91 is: 26,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.86 : 27,514.28 = 17,407.91 : x
  2. Step 2: Convert to fraction form
    18,342.86/27,514.28 = 17,407.91/x
  3. Step 3: Cross multiply
    18,342.86x = 27,514.28 × 17,407.91
  4. Step 4: Simplify right side
    18,342.86x = 478,966,222.26
  5. Step 5: Solve for x
    x = 478,966,222.26/18,342.86
  6. Step 6: Final answer
    x = 26,111.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.