Home / 27,220.87-37,566.67-15,122.81

Finding the Fourth Proportional to 27,220.87, 37,566.67 and 15,122.81

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Solution

The fourth proportional to 27,220.87, 37,566.67 and 15,122.81 is: 20,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.87 : 37,566.67 = 15,122.81 : x
  2. Step 2: Convert to fraction form
    27,220.87/37,566.67 = 15,122.81/x
  3. Step 3: Cross multiply
    27,220.87x = 37,566.67 × 15,122.81
  4. Step 4: Simplify right side
    27,220.87x = 568,113,612.74
  5. Step 5: Solve for x
    x = 568,113,612.74/27,220.87
  6. Step 6: Final answer
    x = 20,870.52

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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.