Home / 27,822.71-38,395.65-15,247.55

Finding the Fourth Proportional to 27,822.71, 38,395.65 and 15,247.55

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Solution

The fourth proportional to 27,822.71, 38,395.65 and 15,247.55 is: 21,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.71 : 38,395.65 = 15,247.55 : x
  2. Step 2: Convert to fraction form
    27,822.71/38,395.65 = 15,247.55/x
  3. Step 3: Cross multiply
    27,822.71x = 38,395.65 × 15,247.55
  4. Step 4: Simplify right side
    27,822.71x = 585,439,401.18
  5. Step 5: Solve for x
    x = 585,439,401.18/27,822.71
  6. Step 6: Final answer
    x = 21,041.79

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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.