Home / 28,384.08-39,151.62-27,421.80

Finding the Fourth Proportional to 28,384.08, 39,151.62 and 27,421.80

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Solution

The fourth proportional to 28,384.08, 39,151.62 and 27,421.80 is: 37,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384.08 : 39,151.62 = 27,421.80 : x
  2. Step 2: Convert to fraction form
    28,384.08/39,151.62 = 27,421.80/x
  3. Step 3: Cross multiply
    28,384.08x = 39,151.62 × 27,421.80
  4. Step 4: Simplify right side
    28,384.08x = 1,073,607,893.32
  5. Step 5: Solve for x
    x = 1,073,607,893.32/28,384.08
  6. Step 6: Final answer
    x = 37,824.30

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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.