Home / 21,825.84-32,740.86-8,675.28

Finding the Fourth Proportional to 21,825.84, 32,740.86 and 8,675.28

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Solution

The fourth proportional to 21,825.84, 32,740.86 and 8,675.28 is: 13,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.84 : 32,740.86 = 8,675.28 : x
  2. Step 2: Convert to fraction form
    21,825.84/32,740.86 = 8,675.28/x
  3. Step 3: Cross multiply
    21,825.84x = 32,740.86 × 8,675.28
  4. Step 4: Simplify right side
    21,825.84x = 284,036,127.94
  5. Step 5: Solve for x
    x = 284,036,127.94/21,825.84
  6. Step 6: Final answer
    x = 13,013.75

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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.