Home / 27,498.61-37,948.65-15,561.95

Finding the Fourth Proportional to 27,498.61, 37,948.65 and 15,561.95

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Solution

The fourth proportional to 27,498.61, 37,948.65 and 15,561.95 is: 21,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,498.61 : 37,948.65 = 15,561.95 : x
  2. Step 2: Convert to fraction form
    27,498.61/37,948.65 = 15,561.95/x
  3. Step 3: Cross multiply
    27,498.61x = 37,948.65 × 15,561.95
  4. Step 4: Simplify right side
    27,498.61x = 590,554,804.12
  5. Step 5: Solve for x
    x = 590,554,804.12/27,498.61
  6. Step 6: Final answer
    x = 21,475.81

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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.