Home / 25,550.40-38,316.04-8,906.16

Finding the Fourth Proportional to 25,550.40, 38,316.04 and 8,906.16

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Solution

The fourth proportional to 25,550.40, 38,316.04 and 8,906.16 is: 13,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.40 : 38,316.04 = 8,906.16 : x
  2. Step 2: Convert to fraction form
    25,550.40/38,316.04 = 8,906.16/x
  3. Step 3: Cross multiply
    25,550.40x = 38,316.04 × 8,906.16
  4. Step 4: Simplify right side
    25,550.40x = 341,248,782.81
  5. Step 5: Solve for x
    x = 341,248,782.81/25,550.40
  6. Step 6: Final answer
    x = 13,355.91

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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.