Home / 28,271.14-39,000.69-16,935.19

Finding the Fourth Proportional to 28,271.14, 39,000.69 and 16,935.19

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Solution

The fourth proportional to 28,271.14, 39,000.69 and 16,935.19 is: 23,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.14 : 39,000.69 = 16,935.19 : x
  2. Step 2: Convert to fraction form
    28,271.14/39,000.69 = 16,935.19/x
  3. Step 3: Cross multiply
    28,271.14x = 39,000.69 × 16,935.19
  4. Step 4: Simplify right side
    28,271.14x = 660,483,997.78
  5. Step 5: Solve for x
    x = 660,483,997.78/28,271.14
  6. Step 6: Final answer
    x = 23,362.48

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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.