Home / 26,340.51-39,454.47-21,321.21

Finding the Fourth Proportional to 26,340.51, 39,454.47 and 21,321.21

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Solution

The fourth proportional to 26,340.51, 39,454.47 and 21,321.21 is: 31,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.51 : 39,454.47 = 21,321.21 : x
  2. Step 2: Convert to fraction form
    26,340.51/39,454.47 = 21,321.21/x
  3. Step 3: Cross multiply
    26,340.51x = 39,454.47 × 21,321.21
  4. Step 4: Simplify right side
    26,340.51x = 841,217,040.31
  5. Step 5: Solve for x
    x = 841,217,040.31/26,340.51
  6. Step 6: Final answer
    x = 31,936.25

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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.