Home / 25,689.28-35,468.66-16,636.52

Finding the Fourth Proportional to 25,689.28, 35,468.66 and 16,636.52

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Solution

The fourth proportional to 25,689.28, 35,468.66 and 16,636.52 is: 22,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.28 : 35,468.66 = 16,636.52 : x
  2. Step 2: Convert to fraction form
    25,689.28/35,468.66 = 16,636.52/x
  3. Step 3: Cross multiply
    25,689.28x = 35,468.66 × 16,636.52
  4. Step 4: Simplify right side
    25,689.28x = 590,075,071.46
  5. Step 5: Solve for x
    x = 590,075,071.46/25,689.28
  6. Step 6: Final answer
    x = 22,969.70

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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.