Home / 38,271.04-52,815.60-21,504

Finding the Fourth Proportional to 38,271.04, 52,815.60 and 21,504

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Solution

The fourth proportional to 38,271.04, 52,815.60 and 21,504 is: 29,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.04 : 52,815.60 = 21,504 : x
  2. Step 2: Convert to fraction form
    38,271.04/52,815.60 = 21,504/x
  3. Step 3: Cross multiply
    38,271.04x = 52,815.60 × 21,504
  4. Step 4: Simplify right side
    38,271.04x = 1,135,746,662.40
  5. Step 5: Solve for x
    x = 1,135,746,662.40/38,271.04
  6. Step 6: Final answer
    x = 29,676.40

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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.