Home / 26,421.49-36,466.28-20,069.11

Finding the Fourth Proportional to 26,421.49, 36,466.28 and 20,069.11

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Solution

The fourth proportional to 26,421.49, 36,466.28 and 20,069.11 is: 27,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.49 : 36,466.28 = 20,069.11 : x
  2. Step 2: Convert to fraction form
    26,421.49/36,466.28 = 20,069.11/x
  3. Step 3: Cross multiply
    26,421.49x = 36,466.28 × 20,069.11
  4. Step 4: Simplify right side
    26,421.49x = 731,845,784.61
  5. Step 5: Solve for x
    x = 731,845,784.61/26,421.49
  6. Step 6: Final answer
    x = 27,698.88

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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.