Home / 25,504.59-38,199.18-13,637.40

Finding the Fourth Proportional to 25,504.59, 38,199.18 and 13,637.40

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Solution

The fourth proportional to 25,504.59, 38,199.18 and 13,637.40 is: 20,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.59 : 38,199.18 = 13,637.40 : x
  2. Step 2: Convert to fraction form
    25,504.59/38,199.18 = 13,637.40/x
  3. Step 3: Cross multiply
    25,504.59x = 38,199.18 × 13,637.40
  4. Step 4: Simplify right side
    25,504.59x = 520,937,497.33
  5. Step 5: Solve for x
    x = 520,937,497.33/25,504.59
  6. Step 6: Final answer
    x = 20,425.24

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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.