Home / 26,328.34-36,330.41-15,716.53

Finding the Fourth Proportional to 26,328.34, 36,330.41 and 15,716.53

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Solution

The fourth proportional to 26,328.34, 36,330.41 and 15,716.53 is: 21,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.34 : 36,330.41 = 15,716.53 : x
  2. Step 2: Convert to fraction form
    26,328.34/36,330.41 = 15,716.53/x
  3. Step 3: Cross multiply
    26,328.34x = 36,330.41 × 15,716.53
  4. Step 4: Simplify right side
    26,328.34x = 570,987,718.44
  5. Step 5: Solve for x
    x = 570,987,718.44/26,328.34
  6. Step 6: Final answer
    x = 21,687.19

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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.