Home / 27,289.04-40,902.84-13,447.76

Finding the Fourth Proportional to 27,289.04, 40,902.84 and 13,447.76

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Solution

The fourth proportional to 27,289.04, 40,902.84 and 13,447.76 is: 20,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.04 : 40,902.84 = 13,447.76 : x
  2. Step 2: Convert to fraction form
    27,289.04/40,902.84 = 13,447.76/x
  3. Step 3: Cross multiply
    27,289.04x = 40,902.84 × 13,447.76
  4. Step 4: Simplify right side
    27,289.04x = 550,051,575.64
  5. Step 5: Solve for x
    x = 550,051,575.64/27,289.04
  6. Step 6: Final answer
    x = 20,156.50

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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.