Home / 28,036.33-42,047.32-8,310.28

Finding the Fourth Proportional to 28,036.33, 42,047.32 and 8,310.28

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Solution

The fourth proportional to 28,036.33, 42,047.32 and 8,310.28 is: 12,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.33 : 42,047.32 = 8,310.28 : x
  2. Step 2: Convert to fraction form
    28,036.33/42,047.32 = 8,310.28/x
  3. Step 3: Cross multiply
    28,036.33x = 42,047.32 × 8,310.28
  4. Step 4: Simplify right side
    28,036.33x = 349,424,792.21
  5. Step 5: Solve for x
    x = 349,424,792.21/28,036.33
  6. Step 6: Final answer
    x = 12,463.29

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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.