Home / 21,376.29-32,064.88-7,336.25

Finding the Fourth Proportional to 21,376.29, 32,064.88 and 7,336.25

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Solution

The fourth proportional to 21,376.29, 32,064.88 and 7,336.25 is: 11,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.29 : 32,064.88 = 7,336.25 : x
  2. Step 2: Convert to fraction form
    21,376.29/32,064.88 = 7,336.25/x
  3. Step 3: Cross multiply
    21,376.29x = 32,064.88 × 7,336.25
  4. Step 4: Simplify right side
    21,376.29x = 235,235,975.90
  5. Step 5: Solve for x
    x = 235,235,975.90/21,376.29
  6. Step 6: Final answer
    x = 11,004.53

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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.