Home / 21,681.26-32,526.89-8,356.14

Finding the Fourth Proportional to 21,681.26, 32,526.89 and 8,356.14

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Solution

The fourth proportional to 21,681.26, 32,526.89 and 8,356.14 is: 12,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.26 : 32,526.89 = 8,356.14 : x
  2. Step 2: Convert to fraction form
    21,681.26/32,526.89 = 8,356.14/x
  3. Step 3: Cross multiply
    21,681.26x = 32,526.89 × 8,356.14
  4. Step 4: Simplify right side
    21,681.26x = 271,799,204.82
  5. Step 5: Solve for x
    x = 271,799,204.82/21,681.26
  6. Step 6: Final answer
    x = 12,536.14

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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.