Home / 25,430.84-38,133.94-8,785.03

Finding the Fourth Proportional to 25,430.84, 38,133.94 and 8,785.03

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Solution

The fourth proportional to 25,430.84, 38,133.94 and 8,785.03 is: 13,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.84 : 38,133.94 = 8,785.03 : x
  2. Step 2: Convert to fraction form
    25,430.84/38,133.94 = 8,785.03/x
  3. Step 3: Cross multiply
    25,430.84x = 38,133.94 × 8,785.03
  4. Step 4: Simplify right side
    25,430.84x = 335,007,806.92
  5. Step 5: Solve for x
    x = 335,007,806.92/25,430.84
  6. Step 6: Final answer
    x = 13,173.29

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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.