Home / 27,591.03-38,072.98-15,488.74

Finding the Fourth Proportional to 27,591.03, 38,072.98 and 15,488.74

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Solution

The fourth proportional to 27,591.03, 38,072.98 and 15,488.74 is: 21,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.03 : 38,072.98 = 15,488.74 : x
  2. Step 2: Convert to fraction form
    27,591.03/38,072.98 = 15,488.74/x
  3. Step 3: Cross multiply
    27,591.03x = 38,072.98 × 15,488.74
  4. Step 4: Simplify right side
    27,591.03x = 589,702,488.25
  5. Step 5: Solve for x
    x = 589,702,488.25/27,591.03
  6. Step 6: Final answer
    x = 21,372.98

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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.