Home / 21,942.76-32,916.70-13,735.40

Finding the Fourth Proportional to 21,942.76, 32,916.70 and 13,735.40

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Solution

The fourth proportional to 21,942.76, 32,916.70 and 13,735.40 is: 20,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.76 : 32,916.70 = 13,735.40 : x
  2. Step 2: Convert to fraction form
    21,942.76/32,916.70 = 13,735.40/x
  3. Step 3: Cross multiply
    21,942.76x = 32,916.70 × 13,735.40
  4. Step 4: Simplify right side
    21,942.76x = 452,124,041.18
  5. Step 5: Solve for x
    x = 452,124,041.18/21,942.76
  6. Step 6: Final answer
    x = 20,604.70

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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.