Home / 25,577.55-38,402.22-13,106.54

Finding the Fourth Proportional to 25,577.55, 38,402.22 and 13,106.54

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Solution

The fourth proportional to 25,577.55, 38,402.22 and 13,106.54 is: 19,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,577.55 : 38,402.22 = 13,106.54 : x
  2. Step 2: Convert to fraction form
    25,577.55/38,402.22 = 13,106.54/x
  3. Step 3: Cross multiply
    25,577.55x = 38,402.22 × 13,106.54
  4. Step 4: Simplify right side
    25,577.55x = 503,320,040.51
  5. Step 5: Solve for x
    x = 503,320,040.51/25,577.55
  6. Step 6: Final answer
    x = 19,678.20

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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.