Home / 25,488.90-35,175.16-14,159.46

Finding the Fourth Proportional to 25,488.90, 35,175.16 and 14,159.46

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Solution

The fourth proportional to 25,488.90, 35,175.16 and 14,159.46 is: 19,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.90 : 35,175.16 = 14,159.46 : x
  2. Step 2: Convert to fraction form
    25,488.90/35,175.16 = 14,159.46/x
  3. Step 3: Cross multiply
    25,488.90x = 35,175.16 × 14,159.46
  4. Step 4: Simplify right side
    25,488.90x = 498,061,271.01
  5. Step 5: Solve for x
    x = 498,061,271.01/25,488.90
  6. Step 6: Final answer
    x = 19,540.32

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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.