Home / 25,347.71-37,988.69-11,287.73

Finding the Fourth Proportional to 25,347.71, 37,988.69 and 11,287.73

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Solution

The fourth proportional to 25,347.71, 37,988.69 and 11,287.73 is: 16,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.71 : 37,988.69 = 11,287.73 : x
  2. Step 2: Convert to fraction form
    25,347.71/37,988.69 = 11,287.73/x
  3. Step 3: Cross multiply
    25,347.71x = 37,988.69 × 11,287.73
  4. Step 4: Simplify right side
    25,347.71x = 428,805,829.39
  5. Step 5: Solve for x
    x = 428,805,829.39/25,347.71
  6. Step 6: Final answer
    x = 16,916.95

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1.5x scale

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.