Home / 26,019.64-35,916.42-15,409.36

Finding the Fourth Proportional to 26,019.64, 35,916.42 and 15,409.36

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Solution

The fourth proportional to 26,019.64, 35,916.42 and 15,409.36 is: 21,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.64 : 35,916.42 = 15,409.36 : x
  2. Step 2: Convert to fraction form
    26,019.64/35,916.42 = 15,409.36/x
  3. Step 3: Cross multiply
    26,019.64x = 35,916.42 × 15,409.36
  4. Step 4: Simplify right side
    26,019.64x = 553,449,045.69
  5. Step 5: Solve for x
    x = 553,449,045.69/26,019.64
  6. Step 6: Final answer
    x = 21,270.43

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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.