Home / 28,659.72-39,549.63-17,181.12

Finding the Fourth Proportional to 28,659.72, 39,549.63 and 17,181.12

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Solution

The fourth proportional to 28,659.72, 39,549.63 and 17,181.12 is: 23,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.72 : 39,549.63 = 17,181.12 : x
  2. Step 2: Convert to fraction form
    28,659.72/39,549.63 = 17,181.12/x
  3. Step 3: Cross multiply
    28,659.72x = 39,549.63 × 17,181.12
  4. Step 4: Simplify right side
    28,659.72x = 679,506,938.99
  5. Step 5: Solve for x
    x = 679,506,938.99/28,659.72
  6. Step 6: Final answer
    x = 23,709.48

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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.