Home / 25,458.32-35,154.80-15,914.52

Finding the Fourth Proportional to 25,458.32, 35,154.80 and 15,914.52

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Solution

The fourth proportional to 25,458.32, 35,154.80 and 15,914.52 is: 21,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.32 : 35,154.80 = 15,914.52 : x
  2. Step 2: Convert to fraction form
    25,458.32/35,154.80 = 15,914.52/x
  3. Step 3: Cross multiply
    25,458.32x = 35,154.80 × 15,914.52
  4. Step 4: Simplify right side
    25,458.32x = 559,471,767.70
  5. Step 5: Solve for x
    x = 559,471,767.70/25,458.32
  6. Step 6: Final answer
    x = 21,975.99

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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.