Home / 28,261.41-39,000.89-17,657.19

Finding the Fourth Proportional to 28,261.41, 39,000.89 and 17,657.19

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Solution

The fourth proportional to 28,261.41, 39,000.89 and 17,657.19 is: 24,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.41 : 39,000.89 = 17,657.19 : x
  2. Step 2: Convert to fraction form
    28,261.41/39,000.89 = 17,657.19/x
  3. Step 3: Cross multiply
    28,261.41x = 39,000.89 × 17,657.19
  4. Step 4: Simplify right side
    28,261.41x = 688,646,169.04
  5. Step 5: Solve for x
    x = 688,646,169.04/28,261.41
  6. Step 6: Final answer
    x = 24,367.02

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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.