Home / 25,628.93-38,443.64-8,989.35

Finding the Fourth Proportional to 25,628.93, 38,443.64 and 8,989.35

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Solution

The fourth proportional to 25,628.93, 38,443.64 and 8,989.35 is: 13,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.93 : 38,443.64 = 8,989.35 : x
  2. Step 2: Convert to fraction form
    25,628.93/38,443.64 = 8,989.35/x
  3. Step 3: Cross multiply
    25,628.93x = 38,443.64 × 8,989.35
  4. Step 4: Simplify right side
    25,628.93x = 345,583,290.29
  5. Step 5: Solve for x
    x = 345,583,290.29/25,628.93
  6. Step 6: Final answer
    x = 13,484.11

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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.