Home / 35,378.56-53,025.12-15,634.72

Finding the Fourth Proportional to 35,378.56, 53,025.12 and 15,634.72

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Solution

The fourth proportional to 35,378.56, 53,025.12 and 15,634.72 is: 23,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.56 : 53,025.12 = 15,634.72 : x
  2. Step 2: Convert to fraction form
    35,378.56/53,025.12 = 15,634.72/x
  3. Step 3: Cross multiply
    35,378.56x = 53,025.12 × 15,634.72
  4. Step 4: Simplify right side
    35,378.56x = 829,032,904.17
  5. Step 5: Solve for x
    x = 829,032,904.17/35,378.56
  6. Step 6: Final answer
    x = 23,433.20

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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.