Home / 25,484.49-38,226.60-7,715.12

Finding the Fourth Proportional to 25,484.49, 38,226.60 and 7,715.12

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Solution

The fourth proportional to 25,484.49, 38,226.60 and 7,715.12 is: 11,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,484.49 : 38,226.60 = 7,715.12 : x
  2. Step 2: Convert to fraction form
    25,484.49/38,226.60 = 7,715.12/x
  3. Step 3: Cross multiply
    25,484.49x = 38,226.60 × 7,715.12
  4. Step 4: Simplify right side
    25,484.49x = 294,922,615.06
  5. Step 5: Solve for x
    x = 294,922,615.06/25,484.49
  6. Step 6: Final answer
    x = 11,572.63

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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.