Home / 35,909.78-53,862.65-15,913.51

Finding the Fourth Proportional to 35,909.78, 53,862.65 and 15,913.51

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Solution

The fourth proportional to 35,909.78, 53,862.65 and 15,913.51 is: 23,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909.78 : 53,862.65 = 15,913.51 : x
  2. Step 2: Convert to fraction form
    35,909.78/53,862.65 = 15,913.51/x
  3. Step 3: Cross multiply
    35,909.78x = 53,862.65 × 15,913.51
  4. Step 4: Simplify right side
    35,909.78x = 857,143,908.15
  5. Step 5: Solve for x
    x = 857,143,908.15/35,909.78
  6. Step 6: Final answer
    x = 23,869.37

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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.