Home / 21,532.96-32,302.32-7,677.28

Finding the Fourth Proportional to 21,532.96, 32,302.32 and 7,677.28

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Solution

The fourth proportional to 21,532.96, 32,302.32 and 7,677.28 is: 11,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.96 : 32,302.32 = 7,677.28 : x
  2. Step 2: Convert to fraction form
    21,532.96/32,302.32 = 7,677.28/x
  3. Step 3: Cross multiply
    21,532.96x = 32,302.32 × 7,677.28
  4. Step 4: Simplify right side
    21,532.96x = 247,993,955.29
  5. Step 5: Solve for x
    x = 247,993,955.29/21,532.96
  6. Step 6: Final answer
    x = 11,516.95

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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.