Home / 26,423.40-39,649.08-11,642.64

Finding the Fourth Proportional to 26,423.40, 39,649.08 and 11,642.64

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Solution

The fourth proportional to 26,423.40, 39,649.08 and 11,642.64 is: 17,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,423.40 : 39,649.08 = 11,642.64 : x
  2. Step 2: Convert to fraction form
    26,423.40/39,649.08 = 11,642.64/x
  3. Step 3: Cross multiply
    26,423.40x = 39,649.08 × 11,642.64
  4. Step 4: Simplify right side
    26,423.40x = 461,619,964.77
  5. Step 5: Solve for x
    x = 461,619,964.77/26,423.40
  6. Step 6: Final answer
    x = 17,470.12

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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.