Home / 28,268.18-39,008.32-16,329.58

Finding the Fourth Proportional to 28,268.18, 39,008.32 and 16,329.58

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Solution

The fourth proportional to 28,268.18, 39,008.32 and 16,329.58 is: 22,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.18 : 39,008.32 = 16,329.58 : x
  2. Step 2: Convert to fraction form
    28,268.18/39,008.32 = 16,329.58/x
  3. Step 3: Cross multiply
    28,268.18x = 39,008.32 × 16,329.58
  4. Step 4: Simplify right side
    28,268.18x = 636,989,482.11
  5. Step 5: Solve for x
    x = 636,989,482.11/28,268.18
  6. Step 6: Final answer
    x = 22,533.80

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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.