Home / 25,560.64-38,348.80-13,089.42

Finding the Fourth Proportional to 25,560.64, 38,348.80 and 13,089.42

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Solution

The fourth proportional to 25,560.64, 38,348.80 and 13,089.42 is: 19,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560.64 : 38,348.80 = 13,089.42 : x
  2. Step 2: Convert to fraction form
    25,560.64/38,348.80 = 13,089.42/x
  3. Step 3: Cross multiply
    25,560.64x = 38,348.80 × 13,089.42
  4. Step 4: Simplify right side
    25,560.64x = 501,963,516.97
  5. Step 5: Solve for x
    x = 501,963,516.97/25,560.64
  6. Step 6: Final answer
    x = 19,638.14

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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.