Home / 25,937.12-35,792.64-15,865.70

Finding the Fourth Proportional to 25,937.12, 35,792.64 and 15,865.70

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Solution

The fourth proportional to 25,937.12, 35,792.64 and 15,865.70 is: 21,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,937.12 : 35,792.64 = 15,865.70 : x
  2. Step 2: Convert to fraction form
    25,937.12/35,792.64 = 15,865.70/x
  3. Step 3: Cross multiply
    25,937.12x = 35,792.64 × 15,865.70
  4. Step 4: Simplify right side
    25,937.12x = 567,875,288.45
  5. Step 5: Solve for x
    x = 567,875,288.45/25,937.12
  6. Step 6: Final answer
    x = 21,894.31

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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.