Home / 28,989.93-43,492.59-9,268.86

Finding the Fourth Proportional to 28,989.93, 43,492.59 and 9,268.86

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Solution

The fourth proportional to 28,989.93, 43,492.59 and 9,268.86 is: 13,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.93 : 43,492.59 = 9,268.86 : x
  2. Step 2: Convert to fraction form
    28,989.93/43,492.59 = 9,268.86/x
  3. Step 3: Cross multiply
    28,989.93x = 43,492.59 × 9,268.86
  4. Step 4: Simplify right side
    28,989.93x = 403,126,727.75
  5. Step 5: Solve for x
    x = 403,126,727.75/28,989.93
  6. Step 6: Final answer
    x = 13,905.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.