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Finding the Fourth Proportional to 23,955.81, 35,929.08 and 9,161.25

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Solution

The fourth proportional to 23,955.81, 35,929.08 and 9,161.25 is: 13,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,955.81 : 35,929.08 = 9,161.25 : x
  2. Step 2: Convert to fraction form
    23,955.81/35,929.08 = 9,161.25/x
  3. Step 3: Cross multiply
    23,955.81x = 35,929.08 × 9,161.25
  4. Step 4: Simplify right side
    23,955.81x = 329,155,284.15
  5. Step 5: Solve for x
    x = 329,155,284.15/23,955.81
  6. Step 6: Final answer
    x = 13,740.10

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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.