Home / 17,427.56-26,140.66-4,947.55

Finding the Fourth Proportional to 17,427.56, 26,140.66 and 4,947.55

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Solution

The fourth proportional to 17,427.56, 26,140.66 and 4,947.55 is: 7,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.56 : 26,140.66 = 4,947.55 : x
  2. Step 2: Convert to fraction form
    17,427.56/26,140.66 = 4,947.55/x
  3. Step 3: Cross multiply
    17,427.56x = 26,140.66 × 4,947.55
  4. Step 4: Simplify right side
    17,427.56x = 129,332,144.66
  5. Step 5: Solve for x
    x = 129,332,144.66/17,427.56
  6. Step 6: Final answer
    x = 7,421.13

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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.