Home / 72,628.31-108,946.57-25,881.19

Finding the Fourth Proportional to 72,628.31, 108,946.57 and 25,881.19

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Solution

The fourth proportional to 72,628.31, 108,946.57 and 25,881.19 is: 38,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,628.31 : 108,946.57 = 25,881.19 : x
  2. Step 2: Convert to fraction form
    72,628.31/108,946.57 = 25,881.19/x
  3. Step 3: Cross multiply
    72,628.31x = 108,946.57 × 25,881.19
  4. Step 4: Simplify right side
    72,628.31x = 2,819,666,589.48
  5. Step 5: Solve for x
    x = 2,819,666,589.48/72,628.31
  6. Step 6: Final answer
    x = 38,823.24

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1.5x scale

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.