Home / 28,994.78-40,012.77-16,248.06

Finding the Fourth Proportional to 28,994.78, 40,012.77 and 16,248.06

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Solution

The fourth proportional to 28,994.78, 40,012.77 and 16,248.06 is: 22,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.78 : 40,012.77 = 16,248.06 : x
  2. Step 2: Convert to fraction form
    28,994.78/40,012.77 = 16,248.06/x
  3. Step 3: Cross multiply
    28,994.78x = 40,012.77 × 16,248.06
  4. Step 4: Simplify right side
    28,994.78x = 650,129,887.73
  5. Step 5: Solve for x
    x = 650,129,887.73/28,994.78
  6. Step 6: Final answer
    x = 22,422.31

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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.