Home / 25,438.98-35,097.62-15,370.40

Finding the Fourth Proportional to 25,438.98, 35,097.62 and 15,370.40

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Solution

The fourth proportional to 25,438.98, 35,097.62 and 15,370.40 is: 21,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.98 : 35,097.62 = 15,370.40 : x
  2. Step 2: Convert to fraction form
    25,438.98/35,097.62 = 15,370.40/x
  3. Step 3: Cross multiply
    25,438.98x = 35,097.62 × 15,370.40
  4. Step 4: Simplify right side
    25,438.98x = 539,464,458.45
  5. Step 5: Solve for x
    x = 539,464,458.45/25,438.98
  6. Step 6: Final answer
    x = 21,206.21

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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.