Home / 28,036.48-42,047.56-8,310.44

Finding the Fourth Proportional to 28,036.48, 42,047.56 and 8,310.44

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Solution

The fourth proportional to 28,036.48, 42,047.56 and 8,310.44 is: 12,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.48 : 42,047.56 = 8,310.44 : x
  2. Step 2: Convert to fraction form
    28,036.48/42,047.56 = 8,310.44/x
  3. Step 3: Cross multiply
    28,036.48x = 42,047.56 × 8,310.44
  4. Step 4: Simplify right side
    28,036.48x = 349,433,724.53
  5. Step 5: Solve for x
    x = 349,433,724.53/28,036.48
  6. Step 6: Final answer
    x = 12,463.54

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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.