Home / 25,640.50-38,477.95-9,000.59

Finding the Fourth Proportional to 25,640.50, 38,477.95 and 9,000.59

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Solution

The fourth proportional to 25,640.50, 38,477.95 and 9,000.59 is: 13,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.50 : 38,477.95 = 9,000.59 : x
  2. Step 2: Convert to fraction form
    25,640.50/38,477.95 = 9,000.59/x
  3. Step 3: Cross multiply
    25,640.50x = 38,477.95 × 9,000.59
  4. Step 4: Simplify right side
    25,640.50x = 346,324,037.10
  5. Step 5: Solve for x
    x = 346,324,037.10/25,640.50
  6. Step 6: Final answer
    x = 13,506.92

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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.