Home / 28,697.62-39,603.09-17,366.98

Finding the Fourth Proportional to 28,697.62, 39,603.09 and 17,366.98

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Solution

The fourth proportional to 28,697.62, 39,603.09 and 17,366.98 is: 23,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697.62 : 39,603.09 = 17,366.98 : x
  2. Step 2: Convert to fraction form
    28,697.62/39,603.09 = 17,366.98/x
  3. Step 3: Cross multiply
    28,697.62x = 39,603.09 × 17,366.98
  4. Step 4: Simplify right side
    28,697.62x = 687,786,071.97
  5. Step 5: Solve for x
    x = 687,786,071.97/28,697.62
  6. Step 6: Final answer
    x = 23,966.66

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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.