Home / 28,603.35-39,488.33-19,542.34

Finding the Fourth Proportional to 28,603.35, 39,488.33 and 19,542.34

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Solution

The fourth proportional to 28,603.35, 39,488.33 and 19,542.34 is: 26,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.35 : 39,488.33 = 19,542.34 : x
  2. Step 2: Convert to fraction form
    28,603.35/39,488.33 = 19,542.34/x
  3. Step 3: Cross multiply
    28,603.35x = 39,488.33 × 19,542.34
  4. Step 4: Simplify right side
    28,603.35x = 771,694,246.99
  5. Step 5: Solve for x
    x = 771,694,246.99/28,603.35
  6. Step 6: Final answer
    x = 26,979.16

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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.