Home / 28,888.10-43,334.58-9,162.57

Finding the Fourth Proportional to 28,888.10, 43,334.58 and 9,162.57

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Solution

The fourth proportional to 28,888.10, 43,334.58 and 9,162.57 is: 13,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.10 : 43,334.58 = 9,162.57 : x
  2. Step 2: Convert to fraction form
    28,888.10/43,334.58 = 9,162.57/x
  3. Step 3: Cross multiply
    28,888.10x = 43,334.58 × 9,162.57
  4. Step 4: Simplify right side
    28,888.10x = 397,056,122.67
  5. Step 5: Solve for x
    x = 397,056,122.67/28,888.10
  6. Step 6: Final answer
    x = 13,744.63

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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.