Home / 25,670.22-38,514.87-15,695.40

Finding the Fourth Proportional to 25,670.22, 38,514.87 and 15,695.40

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Solution

The fourth proportional to 25,670.22, 38,514.87 and 15,695.40 is: 23,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.22 : 38,514.87 = 15,695.40 : x
  2. Step 2: Convert to fraction form
    25,670.22/38,514.87 = 15,695.40/x
  3. Step 3: Cross multiply
    25,670.22x = 38,514.87 × 15,695.40
  4. Step 4: Simplify right side
    25,670.22x = 604,506,290.60
  5. Step 5: Solve for x
    x = 604,506,290.60/25,670.22
  6. Step 6: Final answer
    x = 23,548.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.