Home / 25,400.94-38,103.90-8,758.76

Finding the Fourth Proportional to 25,400.94, 38,103.90 and 8,758.76

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Solution

The fourth proportional to 25,400.94, 38,103.90 and 8,758.76 is: 13,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.94 : 38,103.90 = 8,758.76 : x
  2. Step 2: Convert to fraction form
    25,400.94/38,103.90 = 8,758.76/x
  3. Step 3: Cross multiply
    25,400.94x = 38,103.90 × 8,758.76
  4. Step 4: Simplify right side
    25,400.94x = 333,742,915.16
  5. Step 5: Solve for x
    x = 333,742,915.16/25,400.94
  6. Step 6: Final answer
    x = 13,139.00

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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.