Home / 20,367.08-28,086.88-14,315.37

Finding the Fourth Proportional to 20,367.08, 28,086.88 and 14,315.37

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Solution

The fourth proportional to 20,367.08, 28,086.88 and 14,315.37 is: 19,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.08 : 28,086.88 = 14,315.37 : x
  2. Step 2: Convert to fraction form
    20,367.08/28,086.88 = 14,315.37/x
  3. Step 3: Cross multiply
    20,367.08x = 28,086.88 × 14,315.37
  4. Step 4: Simplify right side
    20,367.08x = 402,074,079.35
  5. Step 5: Solve for x
    x = 402,074,079.35/20,367.08
  6. Step 6: Final answer
    x = 19,741.37

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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.