Home / 26,427.84-36,487.08-18,489

Finding the Fourth Proportional to 26,427.84, 36,487.08 and 18,489

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Solution

The fourth proportional to 26,427.84, 36,487.08 and 18,489 is: 25,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.84 : 36,487.08 = 18,489 : x
  2. Step 2: Convert to fraction form
    26,427.84/36,487.08 = 18,489/x
  3. Step 3: Cross multiply
    26,427.84x = 36,487.08 × 18,489
  4. Step 4: Simplify right side
    26,427.84x = 674,609,622.12
  5. Step 5: Solve for x
    x = 674,609,622.12/26,427.84
  6. Step 6: Final answer
    x = 25,526.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.