Home / 28,926.99-39,918.72-16,351.74

Finding the Fourth Proportional to 28,926.99, 39,918.72 and 16,351.74

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Solution

The fourth proportional to 28,926.99, 39,918.72 and 16,351.74 is: 22,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.99 : 39,918.72 = 16,351.74 : x
  2. Step 2: Convert to fraction form
    28,926.99/39,918.72 = 16,351.74/x
  3. Step 3: Cross multiply
    28,926.99x = 39,918.72 × 16,351.74
  4. Step 4: Simplify right side
    28,926.99x = 652,740,530.57
  5. Step 5: Solve for x
    x = 652,740,530.57/28,926.99
  6. Step 6: Final answer
    x = 22,565.10

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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.