Home / 28,590.26-42,877.62-11,946.81

Finding the Fourth Proportional to 28,590.26, 42,877.62 and 11,946.81

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Solution

The fourth proportional to 28,590.26, 42,877.62 and 11,946.81 is: 17,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.26 : 42,877.62 = 11,946.81 : x
  2. Step 2: Convert to fraction form
    28,590.26/42,877.62 = 11,946.81/x
  3. Step 3: Cross multiply
    28,590.26x = 42,877.62 × 11,946.81
  4. Step 4: Simplify right side
    28,590.26x = 512,250,779.39
  5. Step 5: Solve for x
    x = 512,250,779.39/28,590.26
  6. Step 6: Final answer
    x = 17,916.97

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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.