Home / 17,721.81-26,582.69-16,639.25

Finding the Fourth Proportional to 17,721.81, 26,582.69 and 16,639.25

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Solution

The fourth proportional to 17,721.81, 26,582.69 and 16,639.25 is: 24,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.81 : 26,582.69 = 16,639.25 : x
  2. Step 2: Convert to fraction form
    17,721.81/26,582.69 = 16,639.25/x
  3. Step 3: Cross multiply
    17,721.81x = 26,582.69 × 16,639.25
  4. Step 4: Simplify right side
    17,721.81x = 442,315,808.47
  5. Step 5: Solve for x
    x = 442,315,808.47/17,721.81
  6. Step 6: Final answer
    x = 24,958.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.