Home / 27,387.87-37,818.30-17,334.05

Finding the Fourth Proportional to 27,387.87, 37,818.30 and 17,334.05

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Solution

The fourth proportional to 27,387.87, 37,818.30 and 17,334.05 is: 23,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387.87 : 37,818.30 = 17,334.05 : x
  2. Step 2: Convert to fraction form
    27,387.87/37,818.30 = 17,334.05/x
  3. Step 3: Cross multiply
    27,387.87x = 37,818.30 × 17,334.05
  4. Step 4: Simplify right side
    27,387.87x = 655,544,114.02
  5. Step 5: Solve for x
    x = 655,544,114.02/27,387.87
  6. Step 6: Final answer
    x = 23,935.57

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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.