Home / 28,991.04-40,006.62-16,415.52

Finding the Fourth Proportional to 28,991.04, 40,006.62 and 16,415.52

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Solution

The fourth proportional to 28,991.04, 40,006.62 and 16,415.52 is: 22,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.04 : 40,006.62 = 16,415.52 : x
  2. Step 2: Convert to fraction form
    28,991.04/40,006.62 = 16,415.52/x
  3. Step 3: Cross multiply
    28,991.04x = 40,006.62 × 16,415.52
  4. Step 4: Simplify right side
    28,991.04x = 656,729,470.74
  5. Step 5: Solve for x
    x = 656,729,470.74/28,991.04
  6. Step 6: Final answer
    x = 22,652.84

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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.