Home / 27,985.23-41,973.80-9,278.15

Finding the Fourth Proportional to 27,985.23, 41,973.80 and 9,278.15

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Solution

The fourth proportional to 27,985.23, 41,973.80 and 9,278.15 is: 13,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.23 : 41,973.80 = 9,278.15 : x
  2. Step 2: Convert to fraction form
    27,985.23/41,973.80 = 9,278.15/x
  3. Step 3: Cross multiply
    27,985.23x = 41,973.80 × 9,278.15
  4. Step 4: Simplify right side
    27,985.23x = 389,438,956.21
  5. Step 5: Solve for x
    x = 389,438,956.21/27,985.23
  6. Step 6: Final answer
    x = 13,915.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.