Home / 28,223.12-42,334.68-8,501.36

Finding the Fourth Proportional to 28,223.12, 42,334.68 and 8,501.36

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Solution

The fourth proportional to 28,223.12, 42,334.68 and 8,501.36 is: 12,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.12 : 42,334.68 = 8,501.36 : x
  2. Step 2: Convert to fraction form
    28,223.12/42,334.68 = 8,501.36/x
  3. Step 3: Cross multiply
    28,223.12x = 42,334.68 × 8,501.36
  4. Step 4: Simplify right side
    28,223.12x = 359,902,355.16
  5. Step 5: Solve for x
    x = 359,902,355.16/28,223.12
  6. Step 6: Final answer
    x = 12,752.04

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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.