Home / 28,816.56-39,760.08-17,485.79

Finding the Fourth Proportional to 28,816.56, 39,760.08 and 17,485.79

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Solution

The fourth proportional to 28,816.56, 39,760.08 and 17,485.79 is: 24,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.56 : 39,760.08 = 17,485.79 : x
  2. Step 2: Convert to fraction form
    28,816.56/39,760.08 = 17,485.79/x
  3. Step 3: Cross multiply
    28,816.56x = 39,760.08 × 17,485.79
  4. Step 4: Simplify right side
    28,816.56x = 695,236,210.46
  5. Step 5: Solve for x
    x = 695,236,210.46/28,816.56
  6. Step 6: Final answer
    x = 24,126.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.