Home / 31,762.68-43,828.92-19,657.64

Finding the Fourth Proportional to 31,762.68, 43,828.92 and 19,657.64

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Solution

The fourth proportional to 31,762.68, 43,828.92 and 19,657.64 is: 27,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.68 : 43,828.92 = 19,657.64 : x
  2. Step 2: Convert to fraction form
    31,762.68/43,828.92 = 19,657.64/x
  3. Step 3: Cross multiply
    31,762.68x = 43,828.92 × 19,657.64
  4. Step 4: Simplify right side
    31,762.68x = 861,573,130.95
  5. Step 5: Solve for x
    x = 861,573,130.95/31,762.68
  6. Step 6: Final answer
    x = 27,125.33

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1.5x scale

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.