Home / 28,983.22-39,907.28-22,635.45

Finding the Fourth Proportional to 28,983.22, 39,907.28 and 22,635.45

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Solution

The fourth proportional to 28,983.22, 39,907.28 and 22,635.45 is: 31,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.22 : 39,907.28 = 22,635.45 : x
  2. Step 2: Convert to fraction form
    28,983.22/39,907.28 = 22,635.45/x
  3. Step 3: Cross multiply
    28,983.22x = 39,907.28 × 22,635.45
  4. Step 4: Simplify right side
    28,983.22x = 903,319,297.66
  5. Step 5: Solve for x
    x = 903,319,297.66/28,983.22
  6. Step 6: Final answer
    x = 31,166.98

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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.