Home / 27,488.50-37,934.14-15,551.58

Finding the Fourth Proportional to 27,488.50, 37,934.14 and 15,551.58

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Solution

The fourth proportional to 27,488.50, 37,934.14 and 15,551.58 is: 21,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,488.50 : 37,934.14 = 15,551.58 : x
  2. Step 2: Convert to fraction form
    27,488.50/37,934.14 = 15,551.58/x
  3. Step 3: Cross multiply
    27,488.50x = 37,934.14 × 15,551.58
  4. Step 4: Simplify right side
    27,488.50x = 589,935,812.94
  5. Step 5: Solve for x
    x = 589,935,812.94/27,488.50
  6. Step 6: Final answer
    x = 21,461.19

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1.5x scale

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.