Home / 28,515.62-39,345.07-16,417.46

Finding the Fourth Proportional to 28,515.62, 39,345.07 and 16,417.46

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Solution

The fourth proportional to 28,515.62, 39,345.07 and 16,417.46 is: 22,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515.62 : 39,345.07 = 16,417.46 : x
  2. Step 2: Convert to fraction form
    28,515.62/39,345.07 = 16,417.46/x
  3. Step 3: Cross multiply
    28,515.62x = 39,345.07 × 16,417.46
  4. Step 4: Simplify right side
    28,515.62x = 645,946,112.92
  5. Step 5: Solve for x
    x = 645,946,112.92/28,515.62
  6. Step 6: Final answer
    x = 22,652.36

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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.