Home / 27,590.96-38,076-15,654.08

Finding the Fourth Proportional to 27,590.96, 38,076 and 15,654.08

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Solution

The fourth proportional to 27,590.96, 38,076 and 15,654.08 is: 21,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.96 : 38,076 = 15,654.08 : x
  2. Step 2: Convert to fraction form
    27,590.96/38,076 = 15,654.08/x
  3. Step 3: Cross multiply
    27,590.96x = 38,076 × 15,654.08
  4. Step 4: Simplify right side
    27,590.96x = 596,044,750.08
  5. Step 5: Solve for x
    x = 596,044,750.08/27,590.96
  6. Step 6: Final answer
    x = 21,602.90

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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.