Home / 25,788.61-38,683.45-8,258.39

Finding the Fourth Proportional to 25,788.61, 38,683.45 and 8,258.39

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Solution

The fourth proportional to 25,788.61, 38,683.45 and 8,258.39 is: 12,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.61 : 38,683.45 = 8,258.39 : x
  2. Step 2: Convert to fraction form
    25,788.61/38,683.45 = 8,258.39/x
  3. Step 3: Cross multiply
    25,788.61x = 38,683.45 × 8,258.39
  4. Step 4: Simplify right side
    25,788.61x = 319,462,802.58
  5. Step 5: Solve for x
    x = 319,462,802.58/25,788.61
  6. Step 6: Final answer
    x = 12,387.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.