Home / 20,070.48-27,680.34-15,046.44

Finding the Fourth Proportional to 20,070.48, 27,680.34 and 15,046.44

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Solution

The fourth proportional to 20,070.48, 27,680.34 and 15,046.44 is: 20,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.48 : 27,680.34 = 15,046.44 : x
  2. Step 2: Convert to fraction form
    20,070.48/27,680.34 = 15,046.44/x
  3. Step 3: Cross multiply
    20,070.48x = 27,680.34 × 15,046.44
  4. Step 4: Simplify right side
    20,070.48x = 416,490,574.99
  5. Step 5: Solve for x
    x = 416,490,574.99/20,070.48
  6. Step 6: Final answer
    x = 20,751.40

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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.