Home / 28,209.02-42,308.06-10,680.22

Finding the Fourth Proportional to 28,209.02, 42,308.06 and 10,680.22

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Solution

The fourth proportional to 28,209.02, 42,308.06 and 10,680.22 is: 16,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.02 : 42,308.06 = 10,680.22 : x
  2. Step 2: Convert to fraction form
    28,209.02/42,308.06 = 10,680.22/x
  3. Step 3: Cross multiply
    28,209.02x = 42,308.06 × 10,680.22
  4. Step 4: Simplify right side
    28,209.02x = 451,859,388.57
  5. Step 5: Solve for x
    x = 451,859,388.57/28,209.02
  6. Step 6: Final answer
    x = 16,018.26

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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.