Home / 27,336.90-37,718.28-15,400.22

Finding the Fourth Proportional to 27,336.90, 37,718.28 and 15,400.22

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Solution

The fourth proportional to 27,336.90, 37,718.28 and 15,400.22 is: 21,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,336.90 : 37,718.28 = 15,400.22 : x
  2. Step 2: Convert to fraction form
    27,336.90/37,718.28 = 15,400.22/x
  3. Step 3: Cross multiply
    27,336.90x = 37,718.28 × 15,400.22
  4. Step 4: Simplify right side
    27,336.90x = 580,869,810.02
  5. Step 5: Solve for x
    x = 580,869,810.02/27,336.90
  6. Step 6: Final answer
    x = 21,248.56

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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.