Home / 28,468.02-39,284.28-15,893.58

Finding the Fourth Proportional to 28,468.02, 39,284.28 and 15,893.58

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Solution

The fourth proportional to 28,468.02, 39,284.28 and 15,893.58 is: 21,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.02 : 39,284.28 = 15,893.58 : x
  2. Step 2: Convert to fraction form
    28,468.02/39,284.28 = 15,893.58/x
  3. Step 3: Cross multiply
    28,468.02x = 39,284.28 × 15,893.58
  4. Step 4: Simplify right side
    28,468.02x = 624,367,846.92
  5. Step 5: Solve for x
    x = 624,367,846.92/28,468.02
  6. Step 6: Final answer
    x = 21,932.25

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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.