Home / 28,644.95-39,527.41-15,897.93

Finding the Fourth Proportional to 28,644.95, 39,527.41 and 15,897.93

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Solution

The fourth proportional to 28,644.95, 39,527.41 and 15,897.93 is: 21,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.95 : 39,527.41 = 15,897.93 : x
  2. Step 2: Convert to fraction form
    28,644.95/39,527.41 = 15,897.93/x
  3. Step 3: Cross multiply
    28,644.95x = 39,527.41 × 15,897.93
  4. Step 4: Simplify right side
    28,644.95x = 628,404,049.96
  5. Step 5: Solve for x
    x = 628,404,049.96/28,644.95
  6. Step 6: Final answer
    x = 21,937.69

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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.