Home / 28,320.92-42,475.66-26,915.80

Finding the Fourth Proportional to 28,320.92, 42,475.66 and 26,915.80

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Solution

The fourth proportional to 28,320.92, 42,475.66 and 26,915.80 is: 40,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.92 : 42,475.66 = 26,915.80 : x
  2. Step 2: Convert to fraction form
    28,320.92/42,475.66 = 26,915.80/x
  3. Step 3: Cross multiply
    28,320.92x = 42,475.66 × 26,915.80
  4. Step 4: Simplify right side
    28,320.92x = 1,143,266,369.43
  5. Step 5: Solve for x
    x = 1,143,266,369.43/28,320.92
  6. Step 6: Final answer
    x = 40,368.26

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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.