Home / 26,648.10-36,776.16-15,321.33

Finding the Fourth Proportional to 26,648.10, 36,776.16 and 15,321.33

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Solution

The fourth proportional to 26,648.10, 36,776.16 and 15,321.33 is: 21,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.10 : 36,776.16 = 15,321.33 : x
  2. Step 2: Convert to fraction form
    26,648.10/36,776.16 = 15,321.33/x
  3. Step 3: Cross multiply
    26,648.10x = 36,776.16 × 15,321.33
  4. Step 4: Simplify right side
    26,648.10x = 563,459,683.49
  5. Step 5: Solve for x
    x = 563,459,683.49/26,648.10
  6. Step 6: Final answer
    x = 21,144.46

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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.