Home / 21,948.82-32,926.40-7,154.08

Finding the Fourth Proportional to 21,948.82, 32,926.40 and 7,154.08

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Solution

The fourth proportional to 21,948.82, 32,926.40 and 7,154.08 is: 10,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.82 : 32,926.40 = 7,154.08 : x
  2. Step 2: Convert to fraction form
    21,948.82/32,926.40 = 7,154.08/x
  3. Step 3: Cross multiply
    21,948.82x = 32,926.40 × 7,154.08
  4. Step 4: Simplify right side
    21,948.82x = 235,558,099.71
  5. Step 5: Solve for x
    x = 235,558,099.71/21,948.82
  6. Step 6: Final answer
    x = 10,732.15

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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.