Home / 25,420.08-35,078.04-14,239.92

Finding the Fourth Proportional to 25,420.08, 35,078.04 and 14,239.92

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Solution

The fourth proportional to 25,420.08, 35,078.04 and 14,239.92 is: 19,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.08 : 35,078.04 = 14,239.92 : x
  2. Step 2: Convert to fraction form
    25,420.08/35,078.04 = 14,239.92/x
  3. Step 3: Cross multiply
    25,420.08x = 35,078.04 × 14,239.92
  4. Step 4: Simplify right side
    25,420.08x = 499,508,483.36
  5. Step 5: Solve for x
    x = 499,508,483.36/25,420.08
  6. Step 6: Final answer
    x = 19,650.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.