Home / 28,640.12-42,937.50-13,049.24

Finding the Fourth Proportional to 28,640.12, 42,937.50 and 13,049.24

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Solution

The fourth proportional to 28,640.12, 42,937.50 and 13,049.24 is: 19,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.12 : 42,937.50 = 13,049.24 : x
  2. Step 2: Convert to fraction form
    28,640.12/42,937.50 = 13,049.24/x
  3. Step 3: Cross multiply
    28,640.12x = 42,937.50 × 13,049.24
  4. Step 4: Simplify right side
    28,640.12x = 560,301,742.50
  5. Step 5: Solve for x
    x = 560,301,742.50/28,640.12
  6. Step 6: Final answer
    x = 19,563.53

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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.