Home / 28,924.64-43,337.38-19,419.15

Finding the Fourth Proportional to 28,924.64, 43,337.38 and 19,419.15

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Solution

The fourth proportional to 28,924.64, 43,337.38 and 19,419.15 is: 29,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.64 : 43,337.38 = 19,419.15 : x
  2. Step 2: Convert to fraction form
    28,924.64/43,337.38 = 19,419.15/x
  3. Step 3: Cross multiply
    28,924.64x = 43,337.38 × 19,419.15
  4. Step 4: Simplify right side
    28,924.64x = 841,575,082.83
  5. Step 5: Solve for x
    x = 841,575,082.83/28,924.64
  6. Step 6: Final answer
    x = 29,095.44

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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.