Home / 25,667.04-38,522.56-18,289.60

Finding the Fourth Proportional to 25,667.04, 38,522.56 and 18,289.60

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Solution

The fourth proportional to 25,667.04, 38,522.56 and 18,289.60 is: 27,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.04 : 38,522.56 = 18,289.60 : x
  2. Step 2: Convert to fraction form
    25,667.04/38,522.56 = 18,289.60/x
  3. Step 3: Cross multiply
    25,667.04x = 38,522.56 × 18,289.60
  4. Step 4: Simplify right side
    25,667.04x = 704,562,213.38
  5. Step 5: Solve for x
    x = 704,562,213.38/25,667.04
  6. Step 6: Final answer
    x = 27,450.08

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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.