Home / 28,698.75-39,607.92-16,123.50

Finding the Fourth Proportional to 28,698.75, 39,607.92 and 16,123.50

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Solution

The fourth proportional to 28,698.75, 39,607.92 and 16,123.50 is: 22,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.75 : 39,607.92 = 16,123.50 : x
  2. Step 2: Convert to fraction form
    28,698.75/39,607.92 = 16,123.50/x
  3. Step 3: Cross multiply
    28,698.75x = 39,607.92 × 16,123.50
  4. Step 4: Simplify right side
    28,698.75x = 638,618,298.12
  5. Step 5: Solve for x
    x = 638,618,298.12/28,698.75
  6. Step 6: Final answer
    x = 22,252.48

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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.