Home / 28,167.51-38,867.13-15,592.26

Finding the Fourth Proportional to 28,167.51, 38,867.13 and 15,592.26

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Solution

The fourth proportional to 28,167.51, 38,867.13 and 15,592.26 is: 21,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.51 : 38,867.13 = 15,592.26 : x
  2. Step 2: Convert to fraction form
    28,167.51/38,867.13 = 15,592.26/x
  3. Step 3: Cross multiply
    28,167.51x = 38,867.13 × 15,592.26
  4. Step 4: Simplify right side
    28,167.51x = 606,026,396.41
  5. Step 5: Solve for x
    x = 606,026,396.41/28,167.51
  6. Step 6: Final answer
    x = 21,515.09

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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.