Home / 28,209.03-42,308.05-10,680.22

Finding the Fourth Proportional to 28,209.03, 42,308.05 and 10,680.22

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Solution

The fourth proportional to 28,209.03, 42,308.05 and 10,680.22 is: 16,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.03 : 42,308.05 = 10,680.22 : x
  2. Step 2: Convert to fraction form
    28,209.03/42,308.05 = 10,680.22/x
  3. Step 3: Cross multiply
    28,209.03x = 42,308.05 × 10,680.22
  4. Step 4: Simplify right side
    28,209.03x = 451,859,281.77
  5. Step 5: Solve for x
    x = 451,859,281.77/28,209.03
  6. Step 6: Final answer
    x = 16,018.25

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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.