Home / 25,579.92-35,297.76-18,869.16

Finding the Fourth Proportional to 25,579.92, 35,297.76 and 18,869.16

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Solution

The fourth proportional to 25,579.92, 35,297.76 and 18,869.16 is: 26,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.92 : 35,297.76 = 18,869.16 : x
  2. Step 2: Convert to fraction form
    25,579.92/35,297.76 = 18,869.16/x
  3. Step 3: Cross multiply
    25,579.92x = 35,297.76 × 18,869.16
  4. Step 4: Simplify right side
    25,579.92x = 666,039,081.08
  5. Step 5: Solve for x
    x = 666,039,081.08/25,579.92
  6. Step 6: Final answer
    x = 26,037.57

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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.