Home / 26,931.88-40,342.74-21,952

Finding the Fourth Proportional to 26,931.88, 40,342.74 and 21,952

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Solution

The fourth proportional to 26,931.88, 40,342.74 and 21,952 is: 32,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.88 : 40,342.74 = 21,952 : x
  2. Step 2: Convert to fraction form
    26,931.88/40,342.74 = 21,952/x
  3. Step 3: Cross multiply
    26,931.88x = 40,342.74 × 21,952
  4. Step 4: Simplify right side
    26,931.88x = 885,603,828.48
  5. Step 5: Solve for x
    x = 885,603,828.48/26,931.88
  6. Step 6: Final answer
    x = 32,883.10

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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.