Home / 28,882.08-43,328.04-12,877.42

Finding the Fourth Proportional to 28,882.08, 43,328.04 and 12,877.42

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Solution

The fourth proportional to 28,882.08, 43,328.04 and 12,877.42 is: 19,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.08 : 43,328.04 = 12,877.42 : x
  2. Step 2: Convert to fraction form
    28,882.08/43,328.04 = 12,877.42/x
  3. Step 3: Cross multiply
    28,882.08x = 43,328.04 × 12,877.42
  4. Step 4: Simplify right side
    28,882.08x = 557,953,368.86
  5. Step 5: Solve for x
    x = 557,953,368.86/28,882.08
  6. Step 6: Final answer
    x = 19,318.32

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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.