Home / 28,079.28-42,149.22-24,979.08

Finding the Fourth Proportional to 28,079.28, 42,149.22 and 24,979.08

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Solution

The fourth proportional to 28,079.28, 42,149.22 and 24,979.08 is: 37,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.28 : 42,149.22 = 24,979.08 : x
  2. Step 2: Convert to fraction form
    28,079.28/42,149.22 = 24,979.08/x
  3. Step 3: Cross multiply
    28,079.28x = 42,149.22 × 24,979.08
  4. Step 4: Simplify right side
    28,079.28x = 1,052,848,738.32
  5. Step 5: Solve for x
    x = 1,052,848,738.32/28,079.28
  6. Step 6: Final answer
    x = 37,495.57

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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.