Home / 27,307.53-40,961.28-15,612.55

Finding the Fourth Proportional to 27,307.53, 40,961.28 and 15,612.55

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Solution

The fourth proportional to 27,307.53, 40,961.28 and 15,612.55 is: 23,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.53 : 40,961.28 = 15,612.55 : x
  2. Step 2: Convert to fraction form
    27,307.53/40,961.28 = 15,612.55/x
  3. Step 3: Cross multiply
    27,307.53x = 40,961.28 × 15,612.55
  4. Step 4: Simplify right side
    27,307.53x = 639,509,900.39
  5. Step 5: Solve for x
    x = 639,509,900.39/27,307.53
  6. Step 6: Final answer
    x = 23,418.81

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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.