Home / 21,948.33-32,925.90-7,153.80

Finding the Fourth Proportional to 21,948.33, 32,925.90 and 7,153.80

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Solution

The fourth proportional to 21,948.33, 32,925.90 and 7,153.80 is: 10,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.33 : 32,925.90 = 7,153.80 : x
  2. Step 2: Convert to fraction form
    21,948.33/32,925.90 = 7,153.80/x
  3. Step 3: Cross multiply
    21,948.33x = 32,925.90 × 7,153.80
  4. Step 4: Simplify right side
    21,948.33x = 235,545,303.42
  5. Step 5: Solve for x
    x = 235,545,303.42/21,948.33
  6. Step 6: Final answer
    x = 10,731.81

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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.