Home / 25,640.51-38,477.96-9,000.59

Finding the Fourth Proportional to 25,640.51, 38,477.96 and 9,000.59

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Solution

The fourth proportional to 25,640.51, 38,477.96 and 9,000.59 is: 13,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.51 : 38,477.96 = 9,000.59 : x
  2. Step 2: Convert to fraction form
    25,640.51/38,477.96 = 9,000.59/x
  3. Step 3: Cross multiply
    25,640.51x = 38,477.96 × 9,000.59
  4. Step 4: Simplify right side
    25,640.51x = 346,324,104.60
  5. Step 5: Solve for x
    x = 346,324,104.60/25,640.51
  6. Step 6: Final answer
    x = 13,506.91

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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.