Home / 27,205.61-40,803.70-7,215.23

Finding the Fourth Proportional to 27,205.61, 40,803.70 and 7,215.23

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Solution

The fourth proportional to 27,205.61, 40,803.70 and 7,215.23 is: 10,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,205.61 : 40,803.70 = 7,215.23 : x
  2. Step 2: Convert to fraction form
    27,205.61/40,803.70 = 7,215.23/x
  3. Step 3: Cross multiply
    27,205.61x = 40,803.70 × 7,215.23
  4. Step 4: Simplify right side
    27,205.61x = 294,408,080.35
  5. Step 5: Solve for x
    x = 294,408,080.35/27,205.61
  6. Step 6: Final answer
    x = 10,821.59

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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.