Home / 26,637.92-39,894.64-21,053.80

Finding the Fourth Proportional to 26,637.92, 39,894.64 and 21,053.80

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Solution

The fourth proportional to 26,637.92, 39,894.64 and 21,053.80 is: 31,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.92 : 39,894.64 = 21,053.80 : x
  2. Step 2: Convert to fraction form
    26,637.92/39,894.64 = 21,053.80/x
  3. Step 3: Cross multiply
    26,637.92x = 39,894.64 × 21,053.80
  4. Step 4: Simplify right side
    26,637.92x = 839,933,771.63
  5. Step 5: Solve for x
    x = 839,933,771.63/26,637.92
  6. Step 6: Final answer
    x = 31,531.51

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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.