Home / 28,307.24-38,996.47-19,793.43

Finding the Fourth Proportional to 28,307.24, 38,996.47 and 19,793.43

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Solution

The fourth proportional to 28,307.24, 38,996.47 and 19,793.43 is: 27,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307.24 : 38,996.47 = 19,793.43 : x
  2. Step 2: Convert to fraction form
    28,307.24/38,996.47 = 19,793.43/x
  3. Step 3: Cross multiply
    28,307.24x = 38,996.47 × 19,793.43
  4. Step 4: Simplify right side
    28,307.24x = 771,873,899.19
  5. Step 5: Solve for x
    x = 771,873,899.19/28,307.24
  6. Step 6: Final answer
    x = 27,267.72

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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.