Home / 56,300.32-84,464.70-16,857.28

Finding the Fourth Proportional to 56,300.32, 84,464.70 and 16,857.28

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Solution

The fourth proportional to 56,300.32, 84,464.70 and 16,857.28 is: 25,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,300.32 : 84,464.70 = 16,857.28 : x
  2. Step 2: Convert to fraction form
    56,300.32/84,464.70 = 16,857.28/x
  3. Step 3: Cross multiply
    56,300.32x = 84,464.70 × 16,857.28
  4. Step 4: Simplify right side
    56,300.32x = 1,423,845,098.02
  5. Step 5: Solve for x
    x = 1,423,845,098.02/56,300.32
  6. Step 6: Final answer
    x = 25,290.18

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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.