Home / 28,839.03-39,799.71-16,898.01

Finding the Fourth Proportional to 28,839.03, 39,799.71 and 16,898.01

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Solution

The fourth proportional to 28,839.03, 39,799.71 and 16,898.01 is: 23,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.03 : 39,799.71 = 16,898.01 : x
  2. Step 2: Convert to fraction form
    28,839.03/39,799.71 = 16,898.01/x
  3. Step 3: Cross multiply
    28,839.03x = 39,799.71 × 16,898.01
  4. Step 4: Simplify right side
    28,839.03x = 672,535,897.58
  5. Step 5: Solve for x
    x = 672,535,897.58/28,839.03
  6. Step 6: Final answer
    x = 23,320.34

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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.