Home / 28,607.80-39,478.68-16,032.54

Finding the Fourth Proportional to 28,607.80, 39,478.68 and 16,032.54

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Solution

The fourth proportional to 28,607.80, 39,478.68 and 16,032.54 is: 22,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607.80 : 39,478.68 = 16,032.54 : x
  2. Step 2: Convert to fraction form
    28,607.80/39,478.68 = 16,032.54/x
  3. Step 3: Cross multiply
    28,607.80x = 39,478.68 × 16,032.54
  4. Step 4: Simplify right side
    28,607.80x = 632,943,516.25
  5. Step 5: Solve for x
    x = 632,943,516.25/28,607.80
  6. Step 6: Final answer
    x = 22,124.86

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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.