Home / 27,805.04-38,370.66-15,058.01

Finding the Fourth Proportional to 27,805.04, 38,370.66 and 15,058.01

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Solution

The fourth proportional to 27,805.04, 38,370.66 and 15,058.01 is: 20,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.04 : 38,370.66 = 15,058.01 : x
  2. Step 2: Convert to fraction form
    27,805.04/38,370.66 = 15,058.01/x
  3. Step 3: Cross multiply
    27,805.04x = 38,370.66 × 15,058.01
  4. Step 4: Simplify right side
    27,805.04x = 577,785,781.99
  5. Step 5: Solve for x
    x = 577,785,781.99/27,805.04
  6. Step 6: Final answer
    x = 20,779.89

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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.