Home / 20,466.27-30,681.45-16,985.16

Finding the Fourth Proportional to 20,466.27, 30,681.45 and 16,985.16

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Solution

The fourth proportional to 20,466.27, 30,681.45 and 16,985.16 is: 25,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.27 : 30,681.45 = 16,985.16 : x
  2. Step 2: Convert to fraction form
    20,466.27/30,681.45 = 16,985.16/x
  3. Step 3: Cross multiply
    20,466.27x = 30,681.45 × 16,985.16
  4. Step 4: Simplify right side
    20,466.27x = 521,129,337.28
  5. Step 5: Solve for x
    x = 521,129,337.28/20,466.27
  6. Step 6: Final answer
    x = 25,462.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.