Home / 25,487.94-38,255.26-13,655.07

Finding the Fourth Proportional to 25,487.94, 38,255.26 and 13,655.07

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Solution

The fourth proportional to 25,487.94, 38,255.26 and 13,655.07 is: 20,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.94 : 38,255.26 = 13,655.07 : x
  2. Step 2: Convert to fraction form
    25,487.94/38,255.26 = 13,655.07/x
  3. Step 3: Cross multiply
    25,487.94x = 38,255.26 × 13,655.07
  4. Step 4: Simplify right side
    25,487.94x = 522,378,219.03
  5. Step 5: Solve for x
    x = 522,378,219.03/25,487.94
  6. Step 6: Final answer
    x = 20,495.11

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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.