Home / 20,497.83-28,227.45-17,807.82

Finding the Fourth Proportional to 20,497.83, 28,227.45 and 17,807.82

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Solution

The fourth proportional to 20,497.83, 28,227.45 and 17,807.82 is: 24,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.83 : 28,227.45 = 17,807.82 : x
  2. Step 2: Convert to fraction form
    20,497.83/28,227.45 = 17,807.82/x
  3. Step 3: Cross multiply
    20,497.83x = 28,227.45 × 17,807.82
  4. Step 4: Simplify right side
    20,497.83x = 502,669,547.75
  5. Step 5: Solve for x
    x = 502,669,547.75/20,497.83
  6. Step 6: Final answer
    x = 24,523.06

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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.