Home / 27,639,452.76-38,142,337.66-15,250,317.37

Finding the Fourth Proportional to 27,639,452.76, 38,142,337.66 and 15,250,317.37

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Solution

The fourth proportional to 27,639,452.76, 38,142,337.66 and 15,250,317.37 is: 21,045,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639,452.76 : 38,142,337.66 = 15,250,317.37 : x
  2. Step 2: Convert to fraction form
    27,639,452.76/38,142,337.66 = 15,250,317.37/x
  3. Step 3: Cross multiply
    27,639,452.76x = 38,142,337.66 × 15,250,317.37
  4. Step 4: Simplify right side
    27,639,452.76x = 581,682,754,629,772.12
  5. Step 5: Solve for x
    x = 581,682,754,629,772.12/27,639,452.76
  6. Step 6: Final answer
    x = 21,045,378.85

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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.