Home / 28,577.24-39,426.72-17,967.68

Finding the Fourth Proportional to 28,577.24, 39,426.72 and 17,967.68

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Solution

The fourth proportional to 28,577.24, 39,426.72 and 17,967.68 is: 24,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.24 : 39,426.72 = 17,967.68 : x
  2. Step 2: Convert to fraction form
    28,577.24/39,426.72 = 17,967.68/x
  3. Step 3: Cross multiply
    28,577.24x = 39,426.72 × 17,967.68
  4. Step 4: Simplify right side
    28,577.24x = 708,406,688.41
  5. Step 5: Solve for x
    x = 708,406,688.41/28,577.24
  6. Step 6: Final answer
    x = 24,789.19

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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.