Home / 27,380.99-37,792.64-15,451.20

Finding the Fourth Proportional to 27,380.99, 37,792.64 and 15,451.20

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Solution

The fourth proportional to 27,380.99, 37,792.64 and 15,451.20 is: 21,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.99 : 37,792.64 = 15,451.20 : x
  2. Step 2: Convert to fraction form
    27,380.99/37,792.64 = 15,451.20/x
  3. Step 3: Cross multiply
    27,380.99x = 37,792.64 × 15,451.20
  4. Step 4: Simplify right side
    27,380.99x = 583,941,677.80
  5. Step 5: Solve for x
    x = 583,941,677.80/27,380.99
  6. Step 6: Final answer
    x = 21,326.53

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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.