Home / 26,683.45-36,822.16-15,354.70

Finding the Fourth Proportional to 26,683.45, 36,822.16 and 15,354.70

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Solution

The fourth proportional to 26,683.45, 36,822.16 and 15,354.70 is: 21,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,683.45 : 36,822.16 = 15,354.70 : x
  2. Step 2: Convert to fraction form
    26,683.45/36,822.16 = 15,354.70/x
  3. Step 3: Cross multiply
    26,683.45x = 36,822.16 × 15,354.70
  4. Step 4: Simplify right side
    26,683.45x = 565,393,147.29
  5. Step 5: Solve for x
    x = 565,393,147.29/26,683.45
  6. Step 6: Final answer
    x = 21,188.91

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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.