Home / 27,359.85-37,754.32-15,426.12

Finding the Fourth Proportional to 27,359.85, 37,754.32 and 15,426.12

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Solution

The fourth proportional to 27,359.85, 37,754.32 and 15,426.12 is: 21,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,359.85 : 37,754.32 = 15,426.12 : x
  2. Step 2: Convert to fraction form
    27,359.85/37,754.32 = 15,426.12/x
  3. Step 3: Cross multiply
    27,359.85x = 37,754.32 × 15,426.12
  4. Step 4: Simplify right side
    27,359.85x = 582,402,482.07
  5. Step 5: Solve for x
    x = 582,402,482.07/27,359.85
  6. Step 6: Final answer
    x = 21,286.76

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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.