Home / 20,307.67-28,029.66-16,258.69

Finding the Fourth Proportional to 20,307.67, 28,029.66 and 16,258.69

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Solution

The fourth proportional to 20,307.67, 28,029.66 and 16,258.69 is: 22,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307.67 : 28,029.66 = 16,258.69 : x
  2. Step 2: Convert to fraction form
    20,307.67/28,029.66 = 16,258.69/x
  3. Step 3: Cross multiply
    20,307.67x = 28,029.66 × 16,258.69
  4. Step 4: Simplify right side
    20,307.67x = 455,725,552.75
  5. Step 5: Solve for x
    x = 455,725,552.75/20,307.67
  6. Step 6: Final answer
    x = 22,441.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.