Home / 28,770.88-43,158.18-9,050.32

Finding the Fourth Proportional to 28,770.88, 43,158.18 and 9,050.32

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Solution

The fourth proportional to 28,770.88, 43,158.18 and 9,050.32 is: 13,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.88 : 43,158.18 = 9,050.32 : x
  2. Step 2: Convert to fraction form
    28,770.88/43,158.18 = 9,050.32/x
  3. Step 3: Cross multiply
    28,770.88x = 43,158.18 × 9,050.32
  4. Step 4: Simplify right side
    28,770.88x = 390,595,339.62
  5. Step 5: Solve for x
    x = 390,595,339.62/28,770.88
  6. Step 6: Final answer
    x = 13,576.07

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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.