Home / 25,636.08-38,455.38-12,499.68

Finding the Fourth Proportional to 25,636.08, 38,455.38 and 12,499.68

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Solution

The fourth proportional to 25,636.08, 38,455.38 and 12,499.68 is: 18,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.08 : 38,455.38 = 12,499.68 : x
  2. Step 2: Convert to fraction form
    25,636.08/38,455.38 = 12,499.68/x
  3. Step 3: Cross multiply
    25,636.08x = 38,455.38 × 12,499.68
  4. Step 4: Simplify right side
    25,636.08x = 480,679,944.28
  5. Step 5: Solve for x
    x = 480,679,944.28/25,636.08
  6. Step 6: Final answer
    x = 18,750.13

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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.