Home / 27,613.40-38,108.01-16,289.53

Finding the Fourth Proportional to 27,613.40, 38,108.01 and 16,289.53

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Solution

The fourth proportional to 27,613.40, 38,108.01 and 16,289.53 is: 22,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.40 : 38,108.01 = 16,289.53 : x
  2. Step 2: Convert to fraction form
    27,613.40/38,108.01 = 16,289.53/x
  3. Step 3: Cross multiply
    27,613.40x = 38,108.01 × 16,289.53
  4. Step 4: Simplify right side
    27,613.40x = 620,761,680.86
  5. Step 5: Solve for x
    x = 620,761,680.86/27,613.40
  6. Step 6: Final answer
    x = 22,480.45

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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.