Home / 22,788.42-31,438.26-14,284.68

Finding the Fourth Proportional to 22,788.42, 31,438.26 and 14,284.68

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Solution

The fourth proportional to 22,788.42, 31,438.26 and 14,284.68 is: 19,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.42 : 31,438.26 = 14,284.68 : x
  2. Step 2: Convert to fraction form
    22,788.42/31,438.26 = 14,284.68/x
  3. Step 3: Cross multiply
    22,788.42x = 31,438.26 × 14,284.68
  4. Step 4: Simplify right side
    22,788.42x = 449,085,483.86
  5. Step 5: Solve for x
    x = 449,085,483.86/22,788.42
  6. Step 6: Final answer
    x = 19,706.74

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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.