Home / 28,893.68-39,875.64-16,320.80

Finding the Fourth Proportional to 28,893.68, 39,875.64 and 16,320.80

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Solution

The fourth proportional to 28,893.68, 39,875.64 and 16,320.80 is: 22,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.68 : 39,875.64 = 16,320.80 : x
  2. Step 2: Convert to fraction form
    28,893.68/39,875.64 = 16,320.80/x
  3. Step 3: Cross multiply
    28,893.68x = 39,875.64 × 16,320.80
  4. Step 4: Simplify right side
    28,893.68x = 650,802,345.31
  5. Step 5: Solve for x
    x = 650,802,345.31/28,893.68
  6. Step 6: Final answer
    x = 22,524.04

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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.