Home / 25,439.84-35,124.39-15,894.29

Finding the Fourth Proportional to 25,439.84, 35,124.39 and 15,894.29

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Solution

The fourth proportional to 25,439.84, 35,124.39 and 15,894.29 is: 21,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.84 : 35,124.39 = 15,894.29 : x
  2. Step 2: Convert to fraction form
    25,439.84/35,124.39 = 15,894.29/x
  3. Step 3: Cross multiply
    25,439.84x = 35,124.39 × 15,894.29
  4. Step 4: Simplify right side
    25,439.84x = 558,277,240.73
  5. Step 5: Solve for x
    x = 558,277,240.73/25,439.84
  6. Step 6: Final answer
    x = 21,945.00

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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.