Home / 25,421.32-38,145.27-18,458.83

Finding the Fourth Proportional to 25,421.32, 38,145.27 and 18,458.83

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Solution

The fourth proportional to 25,421.32, 38,145.27 and 18,458.83 is: 27,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.32 : 38,145.27 = 18,458.83 : x
  2. Step 2: Convert to fraction form
    25,421.32/38,145.27 = 18,458.83/x
  3. Step 3: Cross multiply
    25,421.32x = 38,145.27 × 18,458.83
  4. Step 4: Simplify right side
    25,421.32x = 704,117,054.23
  5. Step 5: Solve for x
    x = 704,117,054.23/25,421.32
  6. Step 6: Final answer
    x = 27,697.90

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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.