Home / 29,319.22-40,460.50-15,890.48

Finding the Fourth Proportional to 29,319.22, 40,460.50 and 15,890.48

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Solution

The fourth proportional to 29,319.22, 40,460.50 and 15,890.48 is: 21,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.22 : 40,460.50 = 15,890.48 : x
  2. Step 2: Convert to fraction form
    29,319.22/40,460.50 = 15,890.48/x
  3. Step 3: Cross multiply
    29,319.22x = 40,460.50 × 15,890.48
  4. Step 4: Simplify right side
    29,319.22x = 642,936,484.29
  5. Step 5: Solve for x
    x = 642,936,484.29/29,319.22
  6. Step 6: Final answer
    x = 21,928.84

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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.