Home / 26,439.50-36,486.51-15,261.50

Finding the Fourth Proportional to 26,439.50, 36,486.51 and 15,261.50

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Solution

The fourth proportional to 26,439.50, 36,486.51 and 15,261.50 is: 21,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.50 : 36,486.51 = 15,261.50 : x
  2. Step 2: Convert to fraction form
    26,439.50/36,486.51 = 15,261.50/x
  3. Step 3: Cross multiply
    26,439.50x = 36,486.51 × 15,261.50
  4. Step 4: Simplify right side
    26,439.50x = 556,838,872.37
  5. Step 5: Solve for x
    x = 556,838,872.37/26,439.50
  6. Step 6: Final answer
    x = 21,060.87

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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.