Home / 27,756.02-38,303.62-15,180.50

Finding the Fourth Proportional to 27,756.02, 38,303.62 and 15,180.50

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Solution

The fourth proportional to 27,756.02, 38,303.62 and 15,180.50 is: 20,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,756.02 : 38,303.62 = 15,180.50 : x
  2. Step 2: Convert to fraction form
    27,756.02/38,303.62 = 15,180.50/x
  3. Step 3: Cross multiply
    27,756.02x = 38,303.62 × 15,180.50
  4. Step 4: Simplify right side
    27,756.02x = 581,468,103.41
  5. Step 5: Solve for x
    x = 581,468,103.41/27,756.02
  6. Step 6: Final answer
    x = 20,949.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.