Home / 25,122.81-34,659.60-15,051.67

Finding the Fourth Proportional to 25,122.81, 34,659.60 and 15,051.67

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Solution

The fourth proportional to 25,122.81, 34,659.60 and 15,051.67 is: 20,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.81 : 34,659.60 = 15,051.67 : x
  2. Step 2: Convert to fraction form
    25,122.81/34,659.60 = 15,051.67/x
  3. Step 3: Cross multiply
    25,122.81x = 34,659.60 × 15,051.67
  4. Step 4: Simplify right side
    25,122.81x = 521,684,899.16
  5. Step 5: Solve for x
    x = 521,684,899.16/25,122.81
  6. Step 6: Final answer
    x = 20,765.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.