Home / 28,765.98-43,150.84-9,045.30

Finding the Fourth Proportional to 28,765.98, 43,150.84 and 9,045.30

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Solution

The fourth proportional to 28,765.98, 43,150.84 and 9,045.30 is: 13,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.98 : 43,150.84 = 9,045.30 : x
  2. Step 2: Convert to fraction form
    28,765.98/43,150.84 = 9,045.30/x
  3. Step 3: Cross multiply
    28,765.98x = 43,150.84 × 9,045.30
  4. Step 4: Simplify right side
    28,765.98x = 390,312,293.05
  5. Step 5: Solve for x
    x = 390,312,293.05/28,765.98
  6. Step 6: Final answer
    x = 13,568.54

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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.