Home / 23,478.28-35,215.30-8,687.32

Finding the Fourth Proportional to 23,478.28, 35,215.30 and 8,687.32

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Solution

The fourth proportional to 23,478.28, 35,215.30 and 8,687.32 is: 13,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.28 : 35,215.30 = 8,687.32 : x
  2. Step 2: Convert to fraction form
    23,478.28/35,215.30 = 8,687.32/x
  3. Step 3: Cross multiply
    23,478.28x = 35,215.30 × 8,687.32
  4. Step 4: Simplify right side
    23,478.28x = 305,926,580.00
  5. Step 5: Solve for x
    x = 305,926,580.00/23,478.28
  6. Step 6: Final answer
    x = 13,030.20

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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.