Home / 25,695.43-38,538.86-9,051.55

Finding the Fourth Proportional to 25,695.43, 38,538.86 and 9,051.55

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Solution

The fourth proportional to 25,695.43, 38,538.86 and 9,051.55 is: 13,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.43 : 38,538.86 = 9,051.55 : x
  2. Step 2: Convert to fraction form
    25,695.43/38,538.86 = 9,051.55/x
  3. Step 3: Cross multiply
    25,695.43x = 38,538.86 × 9,051.55
  4. Step 4: Simplify right side
    25,695.43x = 348,836,276.63
  5. Step 5: Solve for x
    x = 348,836,276.63/25,695.43
  6. Step 6: Final answer
    x = 13,575.81

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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.