Home / 27,763.60-38,316.28-15,824.48

Finding the Fourth Proportional to 27,763.60, 38,316.28 and 15,824.48

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Solution

The fourth proportional to 27,763.60, 38,316.28 and 15,824.48 is: 21,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.60 : 38,316.28 = 15,824.48 : x
  2. Step 2: Convert to fraction form
    27,763.60/38,316.28 = 15,824.48/x
  3. Step 3: Cross multiply
    27,763.60x = 38,316.28 × 15,824.48
  4. Step 4: Simplify right side
    27,763.60x = 606,335,206.53
  5. Step 5: Solve for x
    x = 606,335,206.53/27,763.60
  6. Step 6: Final answer
    x = 21,839.21

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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.