Home / 27,294.13-37,666.64-15,357.90

Finding the Fourth Proportional to 27,294.13, 37,666.64 and 15,357.90

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Solution

The fourth proportional to 27,294.13, 37,666.64 and 15,357.90 is: 21,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.13 : 37,666.64 = 15,357.90 : x
  2. Step 2: Convert to fraction form
    27,294.13/37,666.64 = 15,357.90/x
  3. Step 3: Cross multiply
    27,294.13x = 37,666.64 × 15,357.90
  4. Step 4: Simplify right side
    27,294.13x = 578,480,302.12
  5. Step 5: Solve for x
    x = 578,480,302.12/27,294.13
  6. Step 6: Final answer
    x = 21,194.31

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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.