Home / 25,623.70-38,435.64-12,464.80

Finding the Fourth Proportional to 25,623.70, 38,435.64 and 12,464.80

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Solution

The fourth proportional to 25,623.70, 38,435.64 and 12,464.80 is: 18,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.70 : 38,435.64 = 12,464.80 : x
  2. Step 2: Convert to fraction form
    25,623.70/38,435.64 = 12,464.80/x
  3. Step 3: Cross multiply
    25,623.70x = 38,435.64 × 12,464.80
  4. Step 4: Simplify right side
    25,623.70x = 479,092,565.47
  5. Step 5: Solve for x
    x = 479,092,565.47/25,623.70
  6. Step 6: Final answer
    x = 18,697.24

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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.