Home / 28,392.03-39,155.54-17,782.65

Finding the Fourth Proportional to 28,392.03, 39,155.54 and 17,782.65

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Solution

The fourth proportional to 28,392.03, 39,155.54 and 17,782.65 is: 24,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.03 : 39,155.54 = 17,782.65 : x
  2. Step 2: Convert to fraction form
    28,392.03/39,155.54 = 17,782.65/x
  3. Step 3: Cross multiply
    28,392.03x = 39,155.54 × 17,782.65
  4. Step 4: Simplify right side
    28,392.03x = 696,289,174.47
  5. Step 5: Solve for x
    x = 696,289,174.47/28,392.03
  6. Step 6: Final answer
    x = 24,524.11

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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.