Home / 29,256.39-40,373.64-15,827.60

Finding the Fourth Proportional to 29,256.39, 40,373.64 and 15,827.60

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Solution

The fourth proportional to 29,256.39, 40,373.64 and 15,827.60 is: 21,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,256.39 : 40,373.64 = 15,827.60 : x
  2. Step 2: Convert to fraction form
    29,256.39/40,373.64 = 15,827.60/x
  3. Step 3: Cross multiply
    29,256.39x = 40,373.64 × 15,827.60
  4. Step 4: Simplify right side
    29,256.39x = 639,017,824.46
  5. Step 5: Solve for x
    x = 639,017,824.46/29,256.39
  6. Step 6: Final answer
    x = 21,841.99

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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.