Home / 29,190.90-40,276.14-16,441.50

Finding the Fourth Proportional to 29,190.90, 40,276.14 and 16,441.50

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Solution

The fourth proportional to 29,190.90, 40,276.14 and 16,441.50 is: 22,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.90 : 40,276.14 = 16,441.50 : x
  2. Step 2: Convert to fraction form
    29,190.90/40,276.14 = 16,441.50/x
  3. Step 3: Cross multiply
    29,190.90x = 40,276.14 × 16,441.50
  4. Step 4: Simplify right side
    29,190.90x = 662,200,155.81
  5. Step 5: Solve for x
    x = 662,200,155.81/29,190.90
  6. Step 6: Final answer
    x = 22,685.16

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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.