Home / 28,281.03-42,404.10-9,559.31

Finding the Fourth Proportional to 28,281.03, 42,404.10 and 9,559.31

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Solution

The fourth proportional to 28,281.03, 42,404.10 and 9,559.31 is: 14,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.03 : 42,404.10 = 9,559.31 : x
  2. Step 2: Convert to fraction form
    28,281.03/42,404.10 = 9,559.31/x
  3. Step 3: Cross multiply
    28,281.03x = 42,404.10 × 9,559.31
  4. Step 4: Simplify right side
    28,281.03x = 405,353,725.15
  5. Step 5: Solve for x
    x = 405,353,725.15/28,281.03
  6. Step 6: Final answer
    x = 14,333.06

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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.