Home / 15,489.32-23,233.58-5,628.79

Finding the Fourth Proportional to 15,489.32, 23,233.58 and 5,628.79

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Solution

The fourth proportional to 15,489.32, 23,233.58 and 5,628.79 is: 8,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.32 : 23,233.58 = 5,628.79 : x
  2. Step 2: Convert to fraction form
    15,489.32/23,233.58 = 5,628.79/x
  3. Step 3: Cross multiply
    15,489.32x = 23,233.58 × 5,628.79
  4. Step 4: Simplify right side
    15,489.32x = 130,776,798.46
  5. Step 5: Solve for x
    x = 130,776,798.46/15,489.32
  6. Step 6: Final answer
    x = 8,443.03

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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.