Home / 28,893.34-39,870.93-16,318.90

Finding the Fourth Proportional to 28,893.34, 39,870.93 and 16,318.90

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Solution

The fourth proportional to 28,893.34, 39,870.93 and 16,318.90 is: 22,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.34 : 39,870.93 = 16,318.90 : x
  2. Step 2: Convert to fraction form
    28,893.34/39,870.93 = 16,318.90/x
  3. Step 3: Cross multiply
    28,893.34x = 39,870.93 × 16,318.90
  4. Step 4: Simplify right side
    28,893.34x = 650,649,719.58
  5. Step 5: Solve for x
    x = 650,649,719.58/28,893.34
  6. Step 6: Final answer
    x = 22,519.02

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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.