Home / 36,915.82-55,385.16-15,579.57

Finding the Fourth Proportional to 36,915.82, 55,385.16 and 15,579.57

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Solution

The fourth proportional to 36,915.82, 55,385.16 and 15,579.57 is: 23,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,915.82 : 55,385.16 = 15,579.57 : x
  2. Step 2: Convert to fraction form
    36,915.82/55,385.16 = 15,579.57/x
  3. Step 3: Cross multiply
    36,915.82x = 55,385.16 × 15,579.57
  4. Step 4: Simplify right side
    36,915.82x = 862,877,126.45
  5. Step 5: Solve for x
    x = 862,877,126.45/36,915.82
  6. Step 6: Final answer
    x = 23,374.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.