Home / 27,184.60-40,749.36-18,420.40

Finding the Fourth Proportional to 27,184.60, 40,749.36 and 18,420.40

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Solution

The fourth proportional to 27,184.60, 40,749.36 and 18,420.40 is: 27,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,184.60 : 40,749.36 = 18,420.40 : x
  2. Step 2: Convert to fraction form
    27,184.60/40,749.36 = 18,420.40/x
  3. Step 3: Cross multiply
    27,184.60x = 40,749.36 × 18,420.40
  4. Step 4: Simplify right side
    27,184.60x = 750,619,510.94
  5. Step 5: Solve for x
    x = 750,619,510.94/27,184.60
  6. Step 6: Final answer
    x = 27,611.94

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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.