Home / 21,571.81-32,348.75-7,528.84

Finding the Fourth Proportional to 21,571.81, 32,348.75 and 7,528.84

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Solution

The fourth proportional to 21,571.81, 32,348.75 and 7,528.84 is: 11,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.81 : 32,348.75 = 7,528.84 : x
  2. Step 2: Convert to fraction form
    21,571.81/32,348.75 = 7,528.84/x
  3. Step 3: Cross multiply
    21,571.81x = 32,348.75 × 7,528.84
  4. Step 4: Simplify right side
    21,571.81x = 243,548,562.95
  5. Step 5: Solve for x
    x = 243,548,562.95/21,571.81
  6. Step 6: Final answer
    x = 11,290.13

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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.