Home / 25,931.13-35,776.09-15,725.27

Finding the Fourth Proportional to 25,931.13, 35,776.09 and 15,725.27

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Solution

The fourth proportional to 25,931.13, 35,776.09 and 15,725.27 is: 21,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.13 : 35,776.09 = 15,725.27 : x
  2. Step 2: Convert to fraction form
    25,931.13/35,776.09 = 15,725.27/x
  3. Step 3: Cross multiply
    25,931.13x = 35,776.09 × 15,725.27
  4. Step 4: Simplify right side
    25,931.13x = 562,588,783.89
  5. Step 5: Solve for x
    x = 562,588,783.89/25,931.13
  6. Step 6: Final answer
    x = 21,695.50

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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.