Home / 25,330.16-37,995.78-8,690.06

Finding the Fourth Proportional to 25,330.16, 37,995.78 and 8,690.06

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Solution

The fourth proportional to 25,330.16, 37,995.78 and 8,690.06 is: 13,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,330.16 : 37,995.78 = 8,690.06 : x
  2. Step 2: Convert to fraction form
    25,330.16/37,995.78 = 8,690.06/x
  3. Step 3: Cross multiply
    25,330.16x = 37,995.78 × 8,690.06
  4. Step 4: Simplify right side
    25,330.16x = 330,185,607.95
  5. Step 5: Solve for x
    x = 330,185,607.95/25,330.16
  6. Step 6: Final answer
    x = 13,035.28

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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.