Home / 25,308.68-34,925.66-13,978.62

Finding the Fourth Proportional to 25,308.68, 34,925.66 and 13,978.62

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Solution

The fourth proportional to 25,308.68, 34,925.66 and 13,978.62 is: 19,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,308.68 : 34,925.66 = 13,978.62 : x
  2. Step 2: Convert to fraction form
    25,308.68/34,925.66 = 13,978.62/x
  3. Step 3: Cross multiply
    25,308.68x = 34,925.66 × 13,978.62
  4. Step 4: Simplify right side
    25,308.68x = 488,212,459.50
  5. Step 5: Solve for x
    x = 488,212,459.50/25,308.68
  6. Step 6: Final answer
    x = 19,290.32

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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.