Home / 28,060.78-42,109.38-14,922.36

Finding the Fourth Proportional to 28,060.78, 42,109.38 and 14,922.36

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Solution

The fourth proportional to 28,060.78, 42,109.38 and 14,922.36 is: 22,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.78 : 42,109.38 = 14,922.36 : x
  2. Step 2: Convert to fraction form
    28,060.78/42,109.38 = 14,922.36/x
  3. Step 3: Cross multiply
    28,060.78x = 42,109.38 × 14,922.36
  4. Step 4: Simplify right side
    28,060.78x = 628,371,327.74
  5. Step 5: Solve for x
    x = 628,371,327.74/28,060.78
  6. Step 6: Final answer
    x = 22,393.22

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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.