Home / 32,086.28-48,128.88-13,376.36

Finding the Fourth Proportional to 32,086.28, 48,128.88 and 13,376.36

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Solution

The fourth proportional to 32,086.28, 48,128.88 and 13,376.36 is: 20,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,086.28 : 48,128.88 = 13,376.36 : x
  2. Step 2: Convert to fraction form
    32,086.28/48,128.88 = 13,376.36/x
  3. Step 3: Cross multiply
    32,086.28x = 48,128.88 × 13,376.36
  4. Step 4: Simplify right side
    32,086.28x = 643,789,225.28
  5. Step 5: Solve for x
    x = 643,789,225.28/32,086.28
  6. Step 6: Final answer
    x = 20,064.31

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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.