Home / 19,621.24-29,427.40-5,580.95

Finding the Fourth Proportional to 19,621.24, 29,427.40 and 5,580.95

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Solution

The fourth proportional to 19,621.24, 29,427.40 and 5,580.95 is: 8,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.24 : 29,427.40 = 5,580.95 : x
  2. Step 2: Convert to fraction form
    19,621.24/29,427.40 = 5,580.95/x
  3. Step 3: Cross multiply
    19,621.24x = 29,427.40 × 5,580.95
  4. Step 4: Simplify right side
    19,621.24x = 164,232,873.40
  5. Step 5: Solve for x
    x = 164,232,873.40/19,621.24
  6. Step 6: Final answer
    x = 8,370.16

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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.