Home / 27,826.02-41,688.81-18,443.79

Finding the Fourth Proportional to 27,826.02, 41,688.81 and 18,443.79

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Solution

The fourth proportional to 27,826.02, 41,688.81 and 18,443.79 is: 27,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.02 : 41,688.81 = 18,443.79 : x
  2. Step 2: Convert to fraction form
    27,826.02/41,688.81 = 18,443.79/x
  3. Step 3: Cross multiply
    27,826.02x = 41,688.81 × 18,443.79
  4. Step 4: Simplify right side
    27,826.02x = 768,899,656.99
  5. Step 5: Solve for x
    x = 768,899,656.99/27,826.02
  6. Step 6: Final answer
    x = 27,632.40

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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.