Home / 26,368.88-36,389.05-19,660.25

Finding the Fourth Proportional to 26,368.88, 36,389.05 and 19,660.25

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Solution

The fourth proportional to 26,368.88, 36,389.05 and 19,660.25 is: 27,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.88 : 36,389.05 = 19,660.25 : x
  2. Step 2: Convert to fraction form
    26,368.88/36,389.05 = 19,660.25/x
  3. Step 3: Cross multiply
    26,368.88x = 36,389.05 × 19,660.25
  4. Step 4: Simplify right side
    26,368.88x = 715,417,862.08
  5. Step 5: Solve for x
    x = 715,417,862.08/26,368.88
  6. Step 6: Final answer
    x = 27,131.15

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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.