Home / 28,999.02-43,505.01-9,278.76

Finding the Fourth Proportional to 28,999.02, 43,505.01 and 9,278.76

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Solution

The fourth proportional to 28,999.02, 43,505.01 and 9,278.76 is: 13,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.02 : 43,505.01 = 9,278.76 : x
  2. Step 2: Convert to fraction form
    28,999.02/43,505.01 = 9,278.76/x
  3. Step 3: Cross multiply
    28,999.02x = 43,505.01 × 9,278.76
  4. Step 4: Simplify right side
    28,999.02x = 403,672,546.59
  5. Step 5: Solve for x
    x = 403,672,546.59/28,999.02
  6. Step 6: Final answer
    x = 13,920.21

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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.