Home / 27,569.89-38,052.69-16,818.40

Finding the Fourth Proportional to 27,569.89, 38,052.69 and 16,818.40

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Solution

The fourth proportional to 27,569.89, 38,052.69 and 16,818.40 is: 23,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.89 : 38,052.69 = 16,818.40 : x
  2. Step 2: Convert to fraction form
    27,569.89/38,052.69 = 16,818.40/x
  3. Step 3: Cross multiply
    27,569.89x = 38,052.69 × 16,818.40
  4. Step 4: Simplify right side
    27,569.89x = 639,985,361.50
  5. Step 5: Solve for x
    x = 639,985,361.50/27,569.89
  6. Step 6: Final answer
    x = 23,213.20

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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.