Home / 25,516.94-38,193.51-13,641.02

Finding the Fourth Proportional to 25,516.94, 38,193.51 and 13,641.02

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Solution

The fourth proportional to 25,516.94, 38,193.51 and 13,641.02 is: 20,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.94 : 38,193.51 = 13,641.02 : x
  2. Step 2: Convert to fraction form
    25,516.94/38,193.51 = 13,641.02/x
  3. Step 3: Cross multiply
    25,516.94x = 38,193.51 × 13,641.02
  4. Step 4: Simplify right side
    25,516.94x = 520,998,437.19
  5. Step 5: Solve for x
    x = 520,998,437.19/25,516.94
  6. Step 6: Final answer
    x = 20,417.75

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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.