Home / 27,985.77-38,619.18-16,040.84

Finding the Fourth Proportional to 27,985.77, 38,619.18 and 16,040.84

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Solution

The fourth proportional to 27,985.77, 38,619.18 and 16,040.84 is: 22,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.77 : 38,619.18 = 16,040.84 : x
  2. Step 2: Convert to fraction form
    27,985.77/38,619.18 = 16,040.84/x
  3. Step 3: Cross multiply
    27,985.77x = 38,619.18 × 16,040.84
  4. Step 4: Simplify right side
    27,985.77x = 619,483,894.22
  5. Step 5: Solve for x
    x = 619,483,894.22/27,985.77
  6. Step 6: Final answer
    x = 22,135.67

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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.