Home / 28,897.14-39,877.53-16,150.56

Finding the Fourth Proportional to 28,897.14, 39,877.53 and 16,150.56

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Solution

The fourth proportional to 28,897.14, 39,877.53 and 16,150.56 is: 22,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.14 : 39,877.53 = 16,150.56 : x
  2. Step 2: Convert to fraction form
    28,897.14/39,877.53 = 16,150.56/x
  3. Step 3: Cross multiply
    28,897.14x = 39,877.53 × 16,150.56
  4. Step 4: Simplify right side
    28,897.14x = 644,044,440.92
  5. Step 5: Solve for x
    x = 644,044,440.92/28,897.14
  6. Step 6: Final answer
    x = 22,287.48

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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.