Home / 26,877.76-40,314.48-16,988.20

Finding the Fourth Proportional to 26,877.76, 40,314.48 and 16,988.20

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Solution

The fourth proportional to 26,877.76, 40,314.48 and 16,988.20 is: 25,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.76 : 40,314.48 = 16,988.20 : x
  2. Step 2: Convert to fraction form
    26,877.76/40,314.48 = 16,988.20/x
  3. Step 3: Cross multiply
    26,877.76x = 40,314.48 × 16,988.20
  4. Step 4: Simplify right side
    26,877.76x = 684,870,449.14
  5. Step 5: Solve for x
    x = 684,870,449.14/26,877.76
  6. Step 6: Final answer
    x = 25,480.93

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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.