Home / 21,343.50-32,017.68-10,957.68

Finding the Fourth Proportional to 21,343.50, 32,017.68 and 10,957.68

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Solution

The fourth proportional to 21,343.50, 32,017.68 and 10,957.68 is: 16,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.50 : 32,017.68 = 10,957.68 : x
  2. Step 2: Convert to fraction form
    21,343.50/32,017.68 = 10,957.68/x
  3. Step 3: Cross multiply
    21,343.50x = 32,017.68 × 10,957.68
  4. Step 4: Simplify right side
    21,343.50x = 350,839,491.78
  5. Step 5: Solve for x
    x = 350,839,491.78/21,343.50
  6. Step 6: Final answer
    x = 16,437.77

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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.