Home / 27,516.61-37,973.37-15,579.64

Finding the Fourth Proportional to 27,516.61, 37,973.37 and 15,579.64

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Solution

The fourth proportional to 27,516.61, 37,973.37 and 15,579.64 is: 21,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516.61 : 37,973.37 = 15,579.64 : x
  2. Step 2: Convert to fraction form
    27,516.61/37,973.37 = 15,579.64/x
  3. Step 3: Cross multiply
    27,516.61x = 37,973.37 × 15,579.64
  4. Step 4: Simplify right side
    27,516.61x = 591,611,434.19
  5. Step 5: Solve for x
    x = 591,611,434.19/27,516.61
  6. Step 6: Final answer
    x = 21,500.16

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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.