Home / 28,698.12-39,603.78-17,367.48

Finding the Fourth Proportional to 28,698.12, 39,603.78 and 17,367.48

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Solution

The fourth proportional to 28,698.12, 39,603.78 and 17,367.48 is: 23,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.12 : 39,603.78 = 17,367.48 : x
  2. Step 2: Convert to fraction form
    28,698.12/39,603.78 = 17,367.48/x
  3. Step 3: Cross multiply
    28,698.12x = 39,603.78 × 17,367.48
  4. Step 4: Simplify right side
    28,698.12x = 687,817,857.07
  5. Step 5: Solve for x
    x = 687,817,857.07/28,698.12
  6. Step 6: Final answer
    x = 23,967.35

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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.