Home / 27,030.28-40,544.53-12,239.20

Finding the Fourth Proportional to 27,030.28, 40,544.53 and 12,239.20

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Solution

The fourth proportional to 27,030.28, 40,544.53 and 12,239.20 is: 18,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.28 : 40,544.53 = 12,239.20 : x
  2. Step 2: Convert to fraction form
    27,030.28/40,544.53 = 12,239.20/x
  3. Step 3: Cross multiply
    27,030.28x = 40,544.53 × 12,239.20
  4. Step 4: Simplify right side
    27,030.28x = 496,232,611.58
  5. Step 5: Solve for x
    x = 496,232,611.58/27,030.28
  6. Step 6: Final answer
    x = 18,358.40

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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.