Home / 29,148.40-40,223.91-16,402.29

Finding the Fourth Proportional to 29,148.40, 40,223.91 and 16,402.29

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Solution

The fourth proportional to 29,148.40, 40,223.91 and 16,402.29 is: 22,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.40 : 40,223.91 = 16,402.29 : x
  2. Step 2: Convert to fraction form
    29,148.40/40,223.91 = 16,402.29/x
  3. Step 3: Cross multiply
    29,148.40x = 40,223.91 × 16,402.29
  4. Step 4: Simplify right side
    29,148.40x = 659,764,236.75
  5. Step 5: Solve for x
    x = 659,764,236.75/29,148.40
  6. Step 6: Final answer
    x = 22,634.67

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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.