Home / 20,466.29-30,666.65-18,497.99

Finding the Fourth Proportional to 20,466.29, 30,666.65 and 18,497.99

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Solution

The fourth proportional to 20,466.29, 30,666.65 and 18,497.99 is: 27,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.29 : 30,666.65 = 18,497.99 : x
  2. Step 2: Convert to fraction form
    20,466.29/30,666.65 = 18,497.99/x
  3. Step 3: Cross multiply
    20,466.29x = 30,666.65 × 18,497.99
  4. Step 4: Simplify right side
    20,466.29x = 567,271,139.21
  5. Step 5: Solve for x
    x = 567,271,139.21/20,466.29
  6. Step 6: Final answer
    x = 27,717.35

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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.