Home / 27,307.19-40,960.71-15,612.21

Finding the Fourth Proportional to 27,307.19, 40,960.71 and 15,612.21

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Solution

The fourth proportional to 27,307.19, 40,960.71 and 15,612.21 is: 23,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.19 : 40,960.71 = 15,612.21 : x
  2. Step 2: Convert to fraction form
    27,307.19/40,960.71 = 15,612.21/x
  3. Step 3: Cross multiply
    27,307.19x = 40,960.71 × 15,612.21
  4. Step 4: Simplify right side
    27,307.19x = 639,487,206.27
  5. Step 5: Solve for x
    x = 639,487,206.27/27,307.19
  6. Step 6: Final answer
    x = 23,418.27

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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.