Home / 25,788.64-38,670.20-9,146.18

Finding the Fourth Proportional to 25,788.64, 38,670.20 and 9,146.18

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Solution

The fourth proportional to 25,788.64, 38,670.20 and 9,146.18 is: 13,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.64 : 38,670.20 = 9,146.18 : x
  2. Step 2: Convert to fraction form
    25,788.64/38,670.20 = 9,146.18/x
  3. Step 3: Cross multiply
    25,788.64x = 38,670.20 × 9,146.18
  4. Step 4: Simplify right side
    25,788.64x = 353,684,609.84
  5. Step 5: Solve for x
    x = 353,684,609.84/25,788.64
  6. Step 6: Final answer
    x = 13,714.74

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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.