Home / 25,897.50-35,740.43-15,827.87

Finding the Fourth Proportional to 25,897.50, 35,740.43 and 15,827.87

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Solution

The fourth proportional to 25,897.50, 35,740.43 and 15,827.87 is: 21,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897.50 : 35,740.43 = 15,827.87 : x
  2. Step 2: Convert to fraction form
    25,897.50/35,740.43 = 15,827.87/x
  3. Step 3: Cross multiply
    25,897.50x = 35,740.43 × 15,827.87
  4. Step 4: Simplify right side
    25,897.50x = 565,694,621.94
  5. Step 5: Solve for x
    x = 565,694,621.94/25,897.50
  6. Step 6: Final answer
    x = 21,843.60

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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.