Home / 28,666.95-39,562.52-17,336.88

Finding the Fourth Proportional to 28,666.95, 39,562.52 and 17,336.88

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Solution

The fourth proportional to 28,666.95, 39,562.52 and 17,336.88 is: 23,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.95 : 39,562.52 = 17,336.88 : x
  2. Step 2: Convert to fraction form
    28,666.95/39,562.52 = 17,336.88/x
  3. Step 3: Cross multiply
    28,666.95x = 39,562.52 × 17,336.88
  4. Step 4: Simplify right side
    28,666.95x = 685,890,575.05
  5. Step 5: Solve for x
    x = 685,890,575.05/28,666.95
  6. Step 6: Final answer
    x = 23,926.18

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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.