Home / 26,543.55-39,806.77-8,770.17

Finding the Fourth Proportional to 26,543.55, 39,806.77 and 8,770.17

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Solution

The fourth proportional to 26,543.55, 39,806.77 and 8,770.17 is: 13,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.55 : 39,806.77 = 8,770.17 : x
  2. Step 2: Convert to fraction form
    26,543.55/39,806.77 = 8,770.17/x
  3. Step 3: Cross multiply
    26,543.55x = 39,806.77 × 8,770.17
  4. Step 4: Simplify right side
    26,543.55x = 349,112,140.05
  5. Step 5: Solve for x
    x = 349,112,140.05/26,543.55
  6. Step 6: Final answer
    x = 13,152.43

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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.