Home / 28,005.72-41,909.86-17,480.68

Finding the Fourth Proportional to 28,005.72, 41,909.86 and 17,480.68

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Solution

The fourth proportional to 28,005.72, 41,909.86 and 17,480.68 is: 26,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.72 : 41,909.86 = 17,480.68 : x
  2. Step 2: Convert to fraction form
    28,005.72/41,909.86 = 17,480.68/x
  3. Step 3: Cross multiply
    28,005.72x = 41,909.86 × 17,480.68
  4. Step 4: Simplify right side
    28,005.72x = 732,612,670.25
  5. Step 5: Solve for x
    x = 732,612,670.25/28,005.72
  6. Step 6: Final answer
    x = 26,159.40

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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.