Home / 28,295.32-39,043.20-16,356.36

Finding the Fourth Proportional to 28,295.32, 39,043.20 and 16,356.36

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Solution

The fourth proportional to 28,295.32, 39,043.20 and 16,356.36 is: 22,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.32 : 39,043.20 = 16,356.36 : x
  2. Step 2: Convert to fraction form
    28,295.32/39,043.20 = 16,356.36/x
  3. Step 3: Cross multiply
    28,295.32x = 39,043.20 × 16,356.36
  4. Step 4: Simplify right side
    28,295.32x = 638,604,634.75
  5. Step 5: Solve for x
    x = 638,604,634.75/28,295.32
  6. Step 6: Final answer
    x = 22,569.27

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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.