Home / 25,641.59-38,459.27-6,920.19

Finding the Fourth Proportional to 25,641.59, 38,459.27 and 6,920.19

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Solution

The fourth proportional to 25,641.59, 38,459.27 and 6,920.19 is: 10,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.59 : 38,459.27 = 6,920.19 : x
  2. Step 2: Convert to fraction form
    25,641.59/38,459.27 = 6,920.19/x
  3. Step 3: Cross multiply
    25,641.59x = 38,459.27 × 6,920.19
  4. Step 4: Simplify right side
    25,641.59x = 266,145,421.06
  5. Step 5: Solve for x
    x = 266,145,421.06/25,641.59
  6. Step 6: Final answer
    x = 10,379.44

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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.