Home / 28,013.91-41,977.07-17,603.79

Finding the Fourth Proportional to 28,013.91, 41,977.07 and 17,603.79

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Solution

The fourth proportional to 28,013.91, 41,977.07 and 17,603.79 is: 26,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.91 : 41,977.07 = 17,603.79 : x
  2. Step 2: Convert to fraction form
    28,013.91/41,977.07 = 17,603.79/x
  3. Step 3: Cross multiply
    28,013.91x = 41,977.07 × 17,603.79
  4. Step 4: Simplify right side
    28,013.91x = 738,955,525.10
  5. Step 5: Solve for x
    x = 738,955,525.10/28,013.91
  6. Step 6: Final answer
    x = 26,378.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.