Home / 47,529.31-65,585.95-28,405.28

Finding the Fourth Proportional to 47,529.31, 65,585.95 and 28,405.28

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Solution

The fourth proportional to 47,529.31, 65,585.95 and 28,405.28 is: 39,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,529.31 : 65,585.95 = 28,405.28 : x
  2. Step 2: Convert to fraction form
    47,529.31/65,585.95 = 28,405.28/x
  3. Step 3: Cross multiply
    47,529.31x = 65,585.95 × 28,405.28
  4. Step 4: Simplify right side
    47,529.31x = 1,862,987,273.82
  5. Step 5: Solve for x
    x = 1,862,987,273.82/47,529.31
  6. Step 6: Final answer
    x = 39,196.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.