Home / 27,880.03-38,461.61-17,803.43

Finding the Fourth Proportional to 27,880.03, 38,461.61 and 17,803.43

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Solution

The fourth proportional to 27,880.03, 38,461.61 and 17,803.43 is: 24,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.03 : 38,461.61 = 17,803.43 : x
  2. Step 2: Convert to fraction form
    27,880.03/38,461.61 = 17,803.43/x
  3. Step 3: Cross multiply
    27,880.03x = 38,461.61 × 17,803.43
  4. Step 4: Simplify right side
    27,880.03x = 684,748,440.66
  5. Step 5: Solve for x
    x = 684,748,440.66/27,880.03
  6. Step 6: Final answer
    x = 24,560.53

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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.