Home / 29,357.56-40,512.31-15,928.35

Finding the Fourth Proportional to 29,357.56, 40,512.31 and 15,928.35

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Solution

The fourth proportional to 29,357.56, 40,512.31 and 15,928.35 is: 21,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,357.56 : 40,512.31 = 15,928.35 : x
  2. Step 2: Convert to fraction form
    29,357.56/40,512.31 = 15,928.35/x
  3. Step 3: Cross multiply
    29,357.56x = 40,512.31 × 15,928.35
  4. Step 4: Simplify right side
    29,357.56x = 645,294,252.99
  5. Step 5: Solve for x
    x = 645,294,252.99/29,357.56
  6. Step 6: Final answer
    x = 21,980.51

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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.