Home / 25,599.86-38,416.20-12,445.05

Finding the Fourth Proportional to 25,599.86, 38,416.20 and 12,445.05

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Solution

The fourth proportional to 25,599.86, 38,416.20 and 12,445.05 is: 18,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.86 : 38,416.20 = 12,445.05 : x
  2. Step 2: Convert to fraction form
    25,599.86/38,416.20 = 12,445.05/x
  3. Step 3: Cross multiply
    25,599.86x = 38,416.20 × 12,445.05
  4. Step 4: Simplify right side
    25,599.86x = 478,091,529.81
  5. Step 5: Solve for x
    x = 478,091,529.81/25,599.86
  6. Step 6: Final answer
    x = 18,675.56

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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.