Home / 28,977.98-39,988.23-17,797.82

Finding the Fourth Proportional to 28,977.98, 39,988.23 and 17,797.82

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Solution

The fourth proportional to 28,977.98, 39,988.23 and 17,797.82 is: 24,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.98 : 39,988.23 = 17,797.82 : x
  2. Step 2: Convert to fraction form
    28,977.98/39,988.23 = 17,797.82/x
  3. Step 3: Cross multiply
    28,977.98x = 39,988.23 × 17,797.82
  4. Step 4: Simplify right side
    28,977.98x = 711,703,319.66
  5. Step 5: Solve for x
    x = 711,703,319.66/28,977.98
  6. Step 6: Final answer
    x = 24,560.14

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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.