Home / 25,146.03-34,690.91-15,071.25

Finding the Fourth Proportional to 25,146.03, 34,690.91 and 15,071.25

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Solution

The fourth proportional to 25,146.03, 34,690.91 and 15,071.25 is: 20,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.03 : 34,690.91 = 15,071.25 : x
  2. Step 2: Convert to fraction form
    25,146.03/34,690.91 = 15,071.25/x
  3. Step 3: Cross multiply
    25,146.03x = 34,690.91 × 15,071.25
  4. Step 4: Simplify right side
    25,146.03x = 522,835,301.98
  5. Step 5: Solve for x
    x = 522,835,301.98/25,146.03
  6. Step 6: Final answer
    x = 20,791.96

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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.