Home / 26,439.75-36,486.86-15,261.75

Finding the Fourth Proportional to 26,439.75, 36,486.86 and 15,261.75

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Solution

The fourth proportional to 26,439.75, 36,486.86 and 15,261.75 is: 21,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.75 : 36,486.86 = 15,261.75 : x
  2. Step 2: Convert to fraction form
    26,439.75/36,486.86 = 15,261.75/x
  3. Step 3: Cross multiply
    26,439.75x = 36,486.86 × 15,261.75
  4. Step 4: Simplify right side
    26,439.75x = 556,853,259.30
  5. Step 5: Solve for x
    x = 556,853,259.30/26,439.75
  6. Step 6: Final answer
    x = 21,061.22

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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.