Home / 21,967.14-32,983.50-21,639.09

Finding the Fourth Proportional to 21,967.14, 32,983.50 and 21,639.09

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Solution

The fourth proportional to 21,967.14, 32,983.50 and 21,639.09 is: 32,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.14 : 32,983.50 = 21,639.09 : x
  2. Step 2: Convert to fraction form
    21,967.14/32,983.50 = 21,639.09/x
  3. Step 3: Cross multiply
    21,967.14x = 32,983.50 × 21,639.09
  4. Step 4: Simplify right side
    21,967.14x = 713,732,925.02
  5. Step 5: Solve for x
    x = 713,732,925.02/21,967.14
  6. Step 6: Final answer
    x = 32,490.94

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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.