Home / 26,541.90-36,626.13-15,211.26

Finding the Fourth Proportional to 26,541.90, 36,626.13 and 15,211.26

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Solution

The fourth proportional to 26,541.90, 36,626.13 and 15,211.26 is: 20,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541.90 : 36,626.13 = 15,211.26 : x
  2. Step 2: Convert to fraction form
    26,541.90/36,626.13 = 15,211.26/x
  3. Step 3: Cross multiply
    26,541.90x = 36,626.13 × 15,211.26
  4. Step 4: Simplify right side
    26,541.90x = 557,129,586.22
  5. Step 5: Solve for x
    x = 557,129,586.22/26,541.90
  6. Step 6: Final answer
    x = 20,990.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.