Home / 27,901.28-38,503.74-15,326.84

Finding the Fourth Proportional to 27,901.28, 38,503.74 and 15,326.84

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Solution

The fourth proportional to 27,901.28, 38,503.74 and 15,326.84 is: 21,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.28 : 38,503.74 = 15,326.84 : x
  2. Step 2: Convert to fraction form
    27,901.28/38,503.74 = 15,326.84/x
  3. Step 3: Cross multiply
    27,901.28x = 38,503.74 × 15,326.84
  4. Step 4: Simplify right side
    27,901.28x = 590,140,662.38
  5. Step 5: Solve for x
    x = 590,140,662.38/27,901.28
  6. Step 6: Final answer
    x = 21,151.02

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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.