Home / 25,386.43-35,037.14-15,827.87

Finding the Fourth Proportional to 25,386.43, 35,037.14 and 15,827.87

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Solution

The fourth proportional to 25,386.43, 35,037.14 and 15,827.87 is: 21,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.43 : 35,037.14 = 15,827.87 : x
  2. Step 2: Convert to fraction form
    25,386.43/35,037.14 = 15,827.87/x
  3. Step 3: Cross multiply
    25,386.43x = 35,037.14 × 15,827.87
  4. Step 4: Simplify right side
    25,386.43x = 554,563,249.07
  5. Step 5: Solve for x
    x = 554,563,249.07/25,386.43
  6. Step 6: Final answer
    x = 21,844.87

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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.