Home / 27,308.15-37,685.52-15,369.19

Finding the Fourth Proportional to 27,308.15, 37,685.52 and 15,369.19

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Solution

The fourth proportional to 27,308.15, 37,685.52 and 15,369.19 is: 21,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.15 : 37,685.52 = 15,369.19 : x
  2. Step 2: Convert to fraction form
    27,308.15/37,685.52 = 15,369.19/x
  3. Step 3: Cross multiply
    27,308.15x = 37,685.52 × 15,369.19
  4. Step 4: Simplify right side
    27,308.15x = 579,195,728.70
  5. Step 5: Solve for x
    x = 579,195,728.70/27,308.15
  6. Step 6: Final answer
    x = 21,209.63

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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.