Home / 26,637.42-39,893.88-21,053.28

Finding the Fourth Proportional to 26,637.42, 39,893.88 and 21,053.28

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Solution

The fourth proportional to 26,637.42, 39,893.88 and 21,053.28 is: 31,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.42 : 39,893.88 = 21,053.28 : x
  2. Step 2: Convert to fraction form
    26,637.42/39,893.88 = 21,053.28/x
  3. Step 3: Cross multiply
    26,637.42x = 39,893.88 × 21,053.28
  4. Step 4: Simplify right side
    26,637.42x = 839,897,025.93
  5. Step 5: Solve for x
    x = 839,897,025.93/26,637.42
  6. Step 6: Final answer
    x = 31,530.72

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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.