Home / 27,250.50-37,605.36-15,315.87

Finding the Fourth Proportional to 27,250.50, 37,605.36 and 15,315.87

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Solution

The fourth proportional to 27,250.50, 37,605.36 and 15,315.87 is: 21,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,250.50 : 37,605.36 = 15,315.87 : x
  2. Step 2: Convert to fraction form
    27,250.50/37,605.36 = 15,315.87/x
  3. Step 3: Cross multiply
    27,250.50x = 37,605.36 × 15,315.87
  4. Step 4: Simplify right side
    27,250.50x = 575,958,805.06
  5. Step 5: Solve for x
    x = 575,958,805.06/27,250.50
  6. Step 6: Final answer
    x = 21,135.72

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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.