Home / 21,615.24-32,426.70-7,382.94

Finding the Fourth Proportional to 21,615.24, 32,426.70 and 7,382.94

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Solution

The fourth proportional to 21,615.24, 32,426.70 and 7,382.94 is: 11,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.24 : 32,426.70 = 7,382.94 : x
  2. Step 2: Convert to fraction form
    21,615.24/32,426.70 = 7,382.94/x
  3. Step 3: Cross multiply
    21,615.24x = 32,426.70 × 7,382.94
  4. Step 4: Simplify right side
    21,615.24x = 239,404,380.50
  5. Step 5: Solve for x
    x = 239,404,380.50/21,615.24
  6. Step 6: Final answer
    x = 11,075.72

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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.