Home / 56,327.72-84,488.32-18,886.28

Finding the Fourth Proportional to 56,327.72, 84,488.32 and 18,886.28

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Solution

The fourth proportional to 56,327.72, 84,488.32 and 18,886.28 is: 28,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,327.72 : 84,488.32 = 18,886.28 : x
  2. Step 2: Convert to fraction form
    56,327.72/84,488.32 = 18,886.28/x
  3. Step 3: Cross multiply
    56,327.72x = 84,488.32 × 18,886.28
  4. Step 4: Simplify right side
    56,327.72x = 1,595,670,068.25
  5. Step 5: Solve for x
    x = 1,595,670,068.25/56,327.72
  6. Step 6: Final answer
    x = 28,328.33

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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.