Home / 27,590.30-38,071.97-15,488.01

Finding the Fourth Proportional to 27,590.30, 38,071.97 and 15,488.01

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Solution

The fourth proportional to 27,590.30, 38,071.97 and 15,488.01 is: 21,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.30 : 38,071.97 = 15,488.01 : x
  2. Step 2: Convert to fraction form
    27,590.30/38,071.97 = 15,488.01/x
  3. Step 3: Cross multiply
    27,590.30x = 38,071.97 × 15,488.01
  4. Step 4: Simplify right side
    27,590.30x = 589,659,052.08
  5. Step 5: Solve for x
    x = 589,659,052.08/27,590.30
  6. Step 6: Final answer
    x = 21,371.97

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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.