Home / 20,627.34-28,485.99-17,625.66

Finding the Fourth Proportional to 20,627.34, 28,485.99 and 17,625.66

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Solution

The fourth proportional to 20,627.34, 28,485.99 and 17,625.66 is: 24,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.34 : 28,485.99 = 17,625.66 : x
  2. Step 2: Convert to fraction form
    20,627.34/28,485.99 = 17,625.66/x
  3. Step 3: Cross multiply
    20,627.34x = 28,485.99 × 17,625.66
  4. Step 4: Simplify right side
    20,627.34x = 502,084,374.50
  5. Step 5: Solve for x
    x = 502,084,374.50/20,627.34
  6. Step 6: Final answer
    x = 24,340.72

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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.