Home / 25,440.52-35,104.56-14,685.76

Finding the Fourth Proportional to 25,440.52, 35,104.56 and 14,685.76

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Solution

The fourth proportional to 25,440.52, 35,104.56 and 14,685.76 is: 20,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.52 : 35,104.56 = 14,685.76 : x
  2. Step 2: Convert to fraction form
    25,440.52/35,104.56 = 14,685.76/x
  3. Step 3: Cross multiply
    25,440.52x = 35,104.56 × 14,685.76
  4. Step 4: Simplify right side
    25,440.52x = 515,537,143.07
  5. Step 5: Solve for x
    x = 515,537,143.07/25,440.52
  6. Step 6: Final answer
    x = 20,264.41

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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.