Home / 25,657.91-38,477.08-12,327.21

Finding the Fourth Proportional to 25,657.91, 38,477.08 and 12,327.21

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Solution

The fourth proportional to 25,657.91, 38,477.08 and 12,327.21 is: 18,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657.91 : 38,477.08 = 12,327.21 : x
  2. Step 2: Convert to fraction form
    25,657.91/38,477.08 = 12,327.21/x
  3. Step 3: Cross multiply
    25,657.91x = 38,477.08 × 12,327.21
  4. Step 4: Simplify right side
    25,657.91x = 474,315,099.63
  5. Step 5: Solve for x
    x = 474,315,099.63/25,657.91
  6. Step 6: Final answer
    x = 18,486.11

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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.