Home / 25,392.93-35,045.76-15,838.39

Finding the Fourth Proportional to 25,392.93, 35,045.76 and 15,838.39

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Solution

The fourth proportional to 25,392.93, 35,045.76 and 15,838.39 is: 21,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,392.93 : 35,045.76 = 15,838.39 : x
  2. Step 2: Convert to fraction form
    25,392.93/35,045.76 = 15,838.39/x
  3. Step 3: Cross multiply
    25,392.93x = 35,045.76 × 15,838.39
  4. Step 4: Simplify right side
    25,392.93x = 555,068,414.73
  5. Step 5: Solve for x
    x = 555,068,414.73/25,392.93
  6. Step 6: Final answer
    x = 21,859.17

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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.