Home / 28,271.63-39,014.99-17,667.38

Finding the Fourth Proportional to 28,271.63, 39,014.99 and 17,667.38

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Solution

The fourth proportional to 28,271.63, 39,014.99 and 17,667.38 is: 24,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.63 : 39,014.99 = 17,667.38 : x
  2. Step 2: Convert to fraction form
    28,271.63/39,014.99 = 17,667.38/x
  3. Step 3: Cross multiply
    28,271.63x = 39,014.99 × 17,667.38
  4. Step 4: Simplify right side
    28,271.63x = 689,292,654.03
  5. Step 5: Solve for x
    x = 689,292,654.03/28,271.63
  6. Step 6: Final answer
    x = 24,381.07

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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.