Home / 25,816.08-38,715.48-8,281.74

Finding the Fourth Proportional to 25,816.08, 38,715.48 and 8,281.74

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Solution

The fourth proportional to 25,816.08, 38,715.48 and 8,281.74 is: 12,419.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.08 : 38,715.48 = 8,281.74 : x
  2. Step 2: Convert to fraction form
    25,816.08/38,715.48 = 8,281.74/x
  3. Step 3: Cross multiply
    25,816.08x = 38,715.48 × 8,281.74
  4. Step 4: Simplify right side
    25,816.08x = 320,631,539.34
  5. Step 5: Solve for x
    x = 320,631,539.34/25,816.08
  6. Step 6: Final answer
    x = 12,419.84

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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.