Home / 28,484.37-39,318.93-17,154.36

Finding the Fourth Proportional to 28,484.37, 39,318.93 and 17,154.36

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Solution

The fourth proportional to 28,484.37, 39,318.93 and 17,154.36 is: 23,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.37 : 39,318.93 = 17,154.36 : x
  2. Step 2: Convert to fraction form
    28,484.37/39,318.93 = 17,154.36/x
  3. Step 3: Cross multiply
    28,484.37x = 39,318.93 × 17,154.36
  4. Step 4: Simplify right side
    28,484.37x = 674,491,080.03
  5. Step 5: Solve for x
    x = 674,491,080.03/28,484.37
  6. Step 6: Final answer
    x = 23,679.34

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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.