Home / 21,421.71-32,133.42-5,839.29

Finding the Fourth Proportional to 21,421.71, 32,133.42 and 5,839.29

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Solution

The fourth proportional to 21,421.71, 32,133.42 and 5,839.29 is: 8,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421.71 : 32,133.42 = 5,839.29 : x
  2. Step 2: Convert to fraction form
    21,421.71/32,133.42 = 5,839.29/x
  3. Step 3: Cross multiply
    21,421.71x = 32,133.42 × 5,839.29
  4. Step 4: Simplify right side
    21,421.71x = 187,636,358.07
  5. Step 5: Solve for x
    x = 187,636,358.07/21,421.71
  6. Step 6: Final answer
    x = 8,759.17

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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.