Home / 26,419.84-39,637.04-21,477.20

Finding the Fourth Proportional to 26,419.84, 39,637.04 and 21,477.20

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Solution

The fourth proportional to 26,419.84, 39,637.04 and 21,477.20 is: 32,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.84 : 39,637.04 = 21,477.20 : x
  2. Step 2: Convert to fraction form
    26,419.84/39,637.04 = 21,477.20/x
  3. Step 3: Cross multiply
    26,419.84x = 39,637.04 × 21,477.20
  4. Step 4: Simplify right side
    26,419.84x = 851,292,635.49
  5. Step 5: Solve for x
    x = 851,292,635.49/26,419.84
  6. Step 6: Final answer
    x = 32,221.72

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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.