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Finding the Fourth Proportional to 25,940.76, 35,798.46 and 14,763.48

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Solution

The fourth proportional to 25,940.76, 35,798.46 and 14,763.48 is: 20,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,940.76 : 35,798.46 = 14,763.48 : x
  2. Step 2: Convert to fraction form
    25,940.76/35,798.46 = 14,763.48/x
  3. Step 3: Cross multiply
    25,940.76x = 35,798.46 × 14,763.48
  4. Step 4: Simplify right side
    25,940.76x = 528,509,848.24
  5. Step 5: Solve for x
    x = 528,509,848.24/25,940.76
  6. Step 6: Final answer
    x = 20,373.72

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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.