Home / 25,814.60-38,547.04-20,489.86

Finding the Fourth Proportional to 25,814.60, 38,547.04 and 20,489.86

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Solution

The fourth proportional to 25,814.60, 38,547.04 and 20,489.86 is: 30,596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.60 : 38,547.04 = 20,489.86 : x
  2. Step 2: Convert to fraction form
    25,814.60/38,547.04 = 20,489.86/x
  3. Step 3: Cross multiply
    25,814.60x = 38,547.04 × 20,489.86
  4. Step 4: Simplify right side
    25,814.60x = 789,823,488.39
  5. Step 5: Solve for x
    x = 789,823,488.39/25,814.60
  6. Step 6: Final answer
    x = 30,596.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.