Home / 18,956.24-28,434.36-18,437.84

Finding the Fourth Proportional to 18,956.24, 28,434.36 and 18,437.84

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Solution

The fourth proportional to 18,956.24, 28,434.36 and 18,437.84 is: 27,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.24 : 28,434.36 = 18,437.84 : x
  2. Step 2: Convert to fraction form
    18,956.24/28,434.36 = 18,437.84/x
  3. Step 3: Cross multiply
    18,956.24x = 28,434.36 × 18,437.84
  4. Step 4: Simplify right side
    18,956.24x = 524,268,180.18
  5. Step 5: Solve for x
    x = 524,268,180.18/18,956.24
  6. Step 6: Final answer
    x = 27,656.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.