Home / 25,623.08-38,390.88-13,915.34

Finding the Fourth Proportional to 25,623.08, 38,390.88 and 13,915.34

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Solution

The fourth proportional to 25,623.08, 38,390.88 and 13,915.34 is: 20,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.08 : 38,390.88 = 13,915.34 : x
  2. Step 2: Convert to fraction form
    25,623.08/38,390.88 = 13,915.34/x
  3. Step 3: Cross multiply
    25,623.08x = 38,390.88 × 13,915.34
  4. Step 4: Simplify right side
    25,623.08x = 534,222,244.08
  5. Step 5: Solve for x
    x = 534,222,244.08/25,623.08
  6. Step 6: Final answer
    x = 20,849.26

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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.