Home / 20,050.29-27,681.98-12,883.41

Finding the Fourth Proportional to 20,050.29, 27,681.98 and 12,883.41

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Solution

The fourth proportional to 20,050.29, 27,681.98 and 12,883.41 is: 17,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.29 : 27,681.98 = 12,883.41 : x
  2. Step 2: Convert to fraction form
    20,050.29/27,681.98 = 12,883.41/x
  3. Step 3: Cross multiply
    20,050.29x = 27,681.98 × 12,883.41
  4. Step 4: Simplify right side
    20,050.29x = 356,638,233.53
  5. Step 5: Solve for x
    x = 356,638,233.53/20,050.29
  6. Step 6: Final answer
    x = 17,787.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.