Home / 25,618.40-35,353.58-14,288.64

Finding the Fourth Proportional to 25,618.40, 35,353.58 and 14,288.64

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Solution

The fourth proportional to 25,618.40, 35,353.58 and 14,288.64 is: 19,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.40 : 35,353.58 = 14,288.64 : x
  2. Step 2: Convert to fraction form
    25,618.40/35,353.58 = 14,288.64/x
  3. Step 3: Cross multiply
    25,618.40x = 35,353.58 × 14,288.64
  4. Step 4: Simplify right side
    25,618.40x = 505,154,577.33
  5. Step 5: Solve for x
    x = 505,154,577.33/25,618.40
  6. Step 6: Final answer
    x = 19,718.43

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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.