Home / 25,514.22-38,250.93-12,857.16

Finding the Fourth Proportional to 25,514.22, 38,250.93 and 12,857.16

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Solution

The fourth proportional to 25,514.22, 38,250.93 and 12,857.16 is: 19,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,514.22 : 38,250.93 = 12,857.16 : x
  2. Step 2: Convert to fraction form
    25,514.22/38,250.93 = 12,857.16/x
  3. Step 3: Cross multiply
    25,514.22x = 38,250.93 × 12,857.16
  4. Step 4: Simplify right side
    25,514.22x = 491,798,518.81
  5. Step 5: Solve for x
    x = 491,798,518.81/25,514.22
  6. Step 6: Final answer
    x = 19,275.46

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1.5x scale

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.