Home / 25,715.21-38,558.95-11,667.58

Finding the Fourth Proportional to 25,715.21, 38,558.95 and 11,667.58

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Solution

The fourth proportional to 25,715.21, 38,558.95 and 11,667.58 is: 17,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.21 : 38,558.95 = 11,667.58 : x
  2. Step 2: Convert to fraction form
    25,715.21/38,558.95 = 11,667.58/x
  3. Step 3: Cross multiply
    25,715.21x = 38,558.95 × 11,667.58
  4. Step 4: Simplify right side
    25,715.21x = 449,889,508.27
  5. Step 5: Solve for x
    x = 449,889,508.27/25,715.21
  6. Step 6: Final answer
    x = 17,495.07

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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.