Home / 28,019.18-42,027.56-6,958.74

Finding the Fourth Proportional to 28,019.18, 42,027.56 and 6,958.74

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Solution

The fourth proportional to 28,019.18, 42,027.56 and 6,958.74 is: 10,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.18 : 42,027.56 = 6,958.74 : x
  2. Step 2: Convert to fraction form
    28,019.18/42,027.56 = 6,958.74/x
  3. Step 3: Cross multiply
    28,019.18x = 42,027.56 × 6,958.74
  4. Step 4: Simplify right side
    28,019.18x = 292,458,862.87
  5. Step 5: Solve for x
    x = 292,458,862.87/28,019.18
  6. Step 6: Final answer
    x = 10,437.81

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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.