Home / 25,668.68-35,420.20-14,336.36

Finding the Fourth Proportional to 25,668.68, 35,420.20 and 14,336.36

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Solution

The fourth proportional to 25,668.68, 35,420.20 and 14,336.36 is: 19,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.68 : 35,420.20 = 14,336.36 : x
  2. Step 2: Convert to fraction form
    25,668.68/35,420.20 = 14,336.36/x
  3. Step 3: Cross multiply
    25,668.68x = 35,420.20 × 14,336.36
  4. Step 4: Simplify right side
    25,668.68x = 507,796,738.47
  5. Step 5: Solve for x
    x = 507,796,738.47/25,668.68
  6. Step 6: Final answer
    x = 19,782.74

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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.