Home / 17,271.09-25,762.76-16,985.30

Finding the Fourth Proportional to 17,271.09, 25,762.76 and 16,985.30

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Solution

The fourth proportional to 17,271.09, 25,762.76 and 16,985.30 is: 25,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.09 : 25,762.76 = 16,985.30 : x
  2. Step 2: Convert to fraction form
    17,271.09/25,762.76 = 16,985.30/x
  3. Step 3: Cross multiply
    17,271.09x = 25,762.76 × 16,985.30
  4. Step 4: Simplify right side
    17,271.09x = 437,588,057.38
  5. Step 5: Solve for x
    x = 437,588,057.38/17,271.09
  6. Step 6: Final answer
    x = 25,336.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.