Home / 28,119.93-42,178.83-7,060.13

Finding the Fourth Proportional to 28,119.93, 42,178.83 and 7,060.13

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Solution

The fourth proportional to 28,119.93, 42,178.83 and 7,060.13 is: 10,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.93 : 42,178.83 = 7,060.13 : x
  2. Step 2: Convert to fraction form
    28,119.93/42,178.83 = 7,060.13/x
  3. Step 3: Cross multiply
    28,119.93x = 42,178.83 × 7,060.13
  4. Step 4: Simplify right side
    28,119.93x = 297,787,943.85
  5. Step 5: Solve for x
    x = 297,787,943.85/28,119.93
  6. Step 6: Final answer
    x = 10,589.93

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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.