Home / 25,666.08-38,499.08-18,690.48

Finding the Fourth Proportional to 25,666.08, 38,499.08 and 18,690.48

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Solution

The fourth proportional to 25,666.08, 38,499.08 and 18,690.48 is: 28,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.08 : 38,499.08 = 18,690.48 : x
  2. Step 2: Convert to fraction form
    25,666.08/38,499.08 = 18,690.48/x
  3. Step 3: Cross multiply
    25,666.08x = 38,499.08 × 18,690.48
  4. Step 4: Simplify right side
    25,666.08x = 719,566,284.76
  5. Step 5: Solve for x
    x = 719,566,284.76/25,666.08
  6. Step 6: Final answer
    x = 28,035.69

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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.