Home / 28,210.15-38,928.64-16,277.34

Finding the Fourth Proportional to 28,210.15, 38,928.64 and 16,277.34

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Solution

The fourth proportional to 28,210.15, 38,928.64 and 16,277.34 is: 22,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210.15 : 38,928.64 = 16,277.34 : x
  2. Step 2: Convert to fraction form
    28,210.15/38,928.64 = 16,277.34/x
  3. Step 3: Cross multiply
    28,210.15x = 38,928.64 × 16,277.34
  4. Step 4: Simplify right side
    28,210.15x = 633,654,709.02
  5. Step 5: Solve for x
    x = 633,654,709.02/28,210.15
  6. Step 6: Final answer
    x = 22,461.94

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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.