Home / 27,118.83-40,608.15-18,711.26

Finding the Fourth Proportional to 27,118.83, 40,608.15 and 18,711.26

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Solution

The fourth proportional to 27,118.83, 40,608.15 and 18,711.26 is: 28,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.83 : 40,608.15 = 18,711.26 : x
  2. Step 2: Convert to fraction form
    27,118.83/40,608.15 = 18,711.26/x
  3. Step 3: Cross multiply
    27,118.83x = 40,608.15 × 18,711.26
  4. Step 4: Simplify right side
    27,118.83x = 759,829,652.77
  5. Step 5: Solve for x
    x = 759,829,652.77/27,118.83
  6. Step 6: Final answer
    x = 28,018.53

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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.