Home / 20,254.47-30,235.16-17,498.85

Finding the Fourth Proportional to 20,254.47, 30,235.16 and 17,498.85

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Solution

The fourth proportional to 20,254.47, 30,235.16 and 17,498.85 is: 26,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.47 : 30,235.16 = 17,498.85 : x
  2. Step 2: Convert to fraction form
    20,254.47/30,235.16 = 17,498.85/x
  3. Step 3: Cross multiply
    20,254.47x = 30,235.16 × 17,498.85
  4. Step 4: Simplify right side
    20,254.47x = 529,080,442.07
  5. Step 5: Solve for x
    x = 529,080,442.07/20,254.47
  6. Step 6: Final answer
    x = 26,121.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.