Home / 25,579.40-35,296.98-18,868.68

Finding the Fourth Proportional to 25,579.40, 35,296.98 and 18,868.68

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Solution

The fourth proportional to 25,579.40, 35,296.98 and 18,868.68 is: 26,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.40 : 35,296.98 = 18,868.68 : x
  2. Step 2: Convert to fraction form
    25,579.40/35,296.98 = 18,868.68/x
  3. Step 3: Cross multiply
    25,579.40x = 35,296.98 × 18,868.68
  4. Step 4: Simplify right side
    25,579.40x = 666,007,420.59
  5. Step 5: Solve for x
    x = 666,007,420.59/25,579.40
  6. Step 6: Final answer
    x = 26,036.87

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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.