Home / 28,756.92-42,877.33-28,232.04

Finding the Fourth Proportional to 28,756.92, 42,877.33 and 28,232.04

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Solution

The fourth proportional to 28,756.92, 42,877.33 and 28,232.04 is: 42,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.92 : 42,877.33 = 28,232.04 : x
  2. Step 2: Convert to fraction form
    28,756.92/42,877.33 = 28,232.04/x
  3. Step 3: Cross multiply
    28,756.92x = 42,877.33 × 28,232.04
  4. Step 4: Simplify right side
    28,756.92x = 1,210,514,495.65
  5. Step 5: Solve for x
    x = 1,210,514,495.65/28,756.92
  6. Step 6: Final answer
    x = 42,094.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.