Home / 25,526.72-38,290.08-11,666

Finding the Fourth Proportional to 25,526.72, 38,290.08 and 11,666

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Solution

The fourth proportional to 25,526.72, 38,290.08 and 11,666 is: 17,499

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,526.72 : 38,290.08 = 11,666 : x
  2. Step 2: Convert to fraction form
    25,526.72/38,290.08 = 11,666/x
  3. Step 3: Cross multiply
    25,526.72x = 38,290.08 × 11,666
  4. Step 4: Simplify right side
    25,526.72x = 446,692,073.28
  5. Step 5: Solve for x
    x = 446,692,073.28/25,526.72
  6. Step 6: Final answer
    x = 17,499

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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.