Home / 27,901.44-38,503.98-15,326.18

Finding the Fourth Proportional to 27,901.44, 38,503.98 and 15,326.18

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Solution

The fourth proportional to 27,901.44, 38,503.98 and 15,326.18 is: 21,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.44 : 38,503.98 = 15,326.18 : x
  2. Step 2: Convert to fraction form
    27,901.44/38,503.98 = 15,326.18/x
  3. Step 3: Cross multiply
    27,901.44x = 38,503.98 × 15,326.18
  4. Step 4: Simplify right side
    27,901.44x = 590,118,928.20
  5. Step 5: Solve for x
    x = 590,118,928.20/27,901.44
  6. Step 6: Final answer
    x = 21,150.12

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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.