Home / 27,985.64-38,620.14-16,052.18

Finding the Fourth Proportional to 27,985.64, 38,620.14 and 16,052.18

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Solution

The fourth proportional to 27,985.64, 38,620.14 and 16,052.18 is: 22,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.64 : 38,620.14 = 16,052.18 : x
  2. Step 2: Convert to fraction form
    27,985.64/38,620.14 = 16,052.18/x
  3. Step 3: Cross multiply
    27,985.64x = 38,620.14 × 16,052.18
  4. Step 4: Simplify right side
    27,985.64x = 619,937,438.91
  5. Step 5: Solve for x
    x = 619,937,438.91/27,985.64
  6. Step 6: Final answer
    x = 22,151.98

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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.