Home / 21,425.32-32,140.14-7,383.50

Finding the Fourth Proportional to 21,425.32, 32,140.14 and 7,383.50

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Solution

The fourth proportional to 21,425.32, 32,140.14 and 7,383.50 is: 11,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.32 : 32,140.14 = 7,383.50 : x
  2. Step 2: Convert to fraction form
    21,425.32/32,140.14 = 7,383.50/x
  3. Step 3: Cross multiply
    21,425.32x = 32,140.14 × 7,383.50
  4. Step 4: Simplify right side
    21,425.32x = 237,306,723.69
  5. Step 5: Solve for x
    x = 237,306,723.69/21,425.32
  6. Step 6: Final answer
    x = 11,075.99

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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.