Home / 28,648.05-39,537.81-16,548.50

Finding the Fourth Proportional to 28,648.05, 39,537.81 and 16,548.50

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Solution

The fourth proportional to 28,648.05, 39,537.81 and 16,548.50 is: 22,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.05 : 39,537.81 = 16,548.50 : x
  2. Step 2: Convert to fraction form
    28,648.05/39,537.81 = 16,548.50/x
  3. Step 3: Cross multiply
    28,648.05x = 39,537.81 × 16,548.50
  4. Step 4: Simplify right side
    28,648.05x = 654,291,251.10
  5. Step 5: Solve for x
    x = 654,291,251.10/28,648.05
  6. Step 6: Final answer
    x = 22,838.95

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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.