Home / 27,475.15-37,916.43-15,540.25

Finding the Fourth Proportional to 27,475.15, 37,916.43 and 15,540.25

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Solution

The fourth proportional to 27,475.15, 37,916.43 and 15,540.25 is: 21,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.15 : 37,916.43 = 15,540.25 : x
  2. Step 2: Convert to fraction form
    27,475.15/37,916.43 = 15,540.25/x
  3. Step 3: Cross multiply
    27,475.15x = 37,916.43 × 15,540.25
  4. Step 4: Simplify right side
    27,475.15x = 589,230,801.31
  5. Step 5: Solve for x
    x = 589,230,801.31/27,475.15
  6. Step 6: Final answer
    x = 21,445.95

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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.