Home / 28,250.57-42,324.18-13,230.12

Finding the Fourth Proportional to 28,250.57, 42,324.18 and 13,230.12

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Solution

The fourth proportional to 28,250.57, 42,324.18 and 13,230.12 is: 19,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.57 : 42,324.18 = 13,230.12 : x
  2. Step 2: Convert to fraction form
    28,250.57/42,324.18 = 13,230.12/x
  3. Step 3: Cross multiply
    28,250.57x = 42,324.18 × 13,230.12
  4. Step 4: Simplify right side
    28,250.57x = 559,953,980.30
  5. Step 5: Solve for x
    x = 559,953,980.30/28,250.57
  6. Step 6: Final answer
    x = 19,820.98

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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.