Home / 26,441.02-39,649.85-12,389.69

Finding the Fourth Proportional to 26,441.02, 39,649.85 and 12,389.69

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Solution

The fourth proportional to 26,441.02, 39,649.85 and 12,389.69 is: 18,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,441.02 : 39,649.85 = 12,389.69 : x
  2. Step 2: Convert to fraction form
    26,441.02/39,649.85 = 12,389.69/x
  3. Step 3: Cross multiply
    26,441.02x = 39,649.85 × 12,389.69
  4. Step 4: Simplify right side
    26,441.02x = 491,249,480.15
  5. Step 5: Solve for x
    x = 491,249,480.15/26,441.02
  6. Step 6: Final answer
    x = 18,579.07

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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.