Home / 28,535.10-42,773.48-9,809.52

Finding the Fourth Proportional to 28,535.10, 42,773.48 and 9,809.52

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Solution

The fourth proportional to 28,535.10, 42,773.48 and 9,809.52 is: 14,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.10 : 42,773.48 = 9,809.52 : x
  2. Step 2: Convert to fraction form
    28,535.10/42,773.48 = 9,809.52/x
  3. Step 3: Cross multiply
    28,535.10x = 42,773.48 × 9,809.52
  4. Step 4: Simplify right side
    28,535.10x = 419,587,307.53
  5. Step 5: Solve for x
    x = 419,587,307.53/28,535.10
  6. Step 6: Final answer
    x = 14,704.25

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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.