Home / 28,933.74-39,928.95-16,358.76

Finding the Fourth Proportional to 28,933.74, 39,928.95 and 16,358.76

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Solution

The fourth proportional to 28,933.74, 39,928.95 and 16,358.76 is: 22,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.74 : 39,928.95 = 16,358.76 : x
  2. Step 2: Convert to fraction form
    28,933.74/39,928.95 = 16,358.76/x
  3. Step 3: Cross multiply
    28,933.74x = 39,928.95 × 16,358.76
  4. Step 4: Simplify right side
    28,933.74x = 653,188,110.10
  5. Step 5: Solve for x
    x = 653,188,110.10/28,933.74
  6. Step 6: Final answer
    x = 22,575.31

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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.