Home / 28,701.29-39,606.98-15,954.14

Finding the Fourth Proportional to 28,701.29, 39,606.98 and 15,954.14

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Solution

The fourth proportional to 28,701.29, 39,606.98 and 15,954.14 is: 22,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.29 : 39,606.98 = 15,954.14 : x
  2. Step 2: Convert to fraction form
    28,701.29/39,606.98 = 15,954.14/x
  3. Step 3: Cross multiply
    28,701.29x = 39,606.98 × 15,954.14
  4. Step 4: Simplify right side
    28,701.29x = 631,895,026.09
  5. Step 5: Solve for x
    x = 631,895,026.09/28,701.29
  6. Step 6: Final answer
    x = 22,016.26

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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.