Home / 25,852.08-38,772.96-7,127.28

Finding the Fourth Proportional to 25,852.08, 38,772.96 and 7,127.28

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Solution

The fourth proportional to 25,852.08, 38,772.96 and 7,127.28 is: 10,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.08 : 38,772.96 = 7,127.28 : x
  2. Step 2: Convert to fraction form
    25,852.08/38,772.96 = 7,127.28/x
  3. Step 3: Cross multiply
    25,852.08x = 38,772.96 × 7,127.28
  4. Step 4: Simplify right side
    25,852.08x = 276,345,742.35
  5. Step 5: Solve for x
    x = 276,345,742.35/25,852.08
  6. Step 6: Final answer
    x = 10,689.50

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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.