Home / 28,698.76-39,607.68-16,123.48

Finding the Fourth Proportional to 28,698.76, 39,607.68 and 16,123.48

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Solution

The fourth proportional to 28,698.76, 39,607.68 and 16,123.48 is: 22,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.76 : 39,607.68 = 16,123.48 : x
  2. Step 2: Convert to fraction form
    28,698.76/39,607.68 = 16,123.48/x
  3. Step 3: Cross multiply
    28,698.76x = 39,607.68 × 16,123.48
  4. Step 4: Simplify right side
    28,698.76x = 638,613,636.33
  5. Step 5: Solve for x
    x = 638,613,636.33/28,698.76
  6. Step 6: Final answer
    x = 22,252.31

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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.