Home / 20,206.26-27,862.35-13,833.90

Finding the Fourth Proportional to 20,206.26, 27,862.35 and 13,833.90

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Solution

The fourth proportional to 20,206.26, 27,862.35 and 13,833.90 is: 19,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.26 : 27,862.35 = 13,833.90 : x
  2. Step 2: Convert to fraction form
    20,206.26/27,862.35 = 13,833.90/x
  3. Step 3: Cross multiply
    20,206.26x = 27,862.35 × 13,833.90
  4. Step 4: Simplify right side
    20,206.26x = 385,444,963.67
  5. Step 5: Solve for x
    x = 385,444,963.67/20,206.26
  6. Step 6: Final answer
    x = 19,075.52

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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.