Home / 27,445.01-37,876.05-15,509.46

Finding the Fourth Proportional to 27,445.01, 37,876.05 and 15,509.46

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Solution

The fourth proportional to 27,445.01, 37,876.05 and 15,509.46 is: 21,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.01 : 37,876.05 = 15,509.46 : x
  2. Step 2: Convert to fraction form
    27,445.01/37,876.05 = 15,509.46/x
  3. Step 3: Cross multiply
    27,445.01x = 37,876.05 × 15,509.46
  4. Step 4: Simplify right side
    27,445.01x = 587,437,082.43
  5. Step 5: Solve for x
    x = 587,437,082.43/27,445.01
  6. Step 6: Final answer
    x = 21,404.15

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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.