Home / 26,823.69-36,985.14-21,771.99

Finding the Fourth Proportional to 26,823.69, 36,985.14 and 21,771.99

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Solution

The fourth proportional to 26,823.69, 36,985.14 and 21,771.99 is: 30,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,823.69 : 36,985.14 = 21,771.99 : x
  2. Step 2: Convert to fraction form
    26,823.69/36,985.14 = 21,771.99/x
  3. Step 3: Cross multiply
    26,823.69x = 36,985.14 × 21,771.99
  4. Step 4: Simplify right side
    26,823.69x = 805,240,098.23
  5. Step 5: Solve for x
    x = 805,240,098.23/26,823.69
  6. Step 6: Final answer
    x = 30,019.74

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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.