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Finding the Fourth Proportional to 25,159.95, 37,739.95 and 6,440.04

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Solution

The fourth proportional to 25,159.95, 37,739.95 and 6,440.04 is: 9,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.95 : 37,739.95 = 6,440.04 : x
  2. Step 2: Convert to fraction form
    25,159.95/37,739.95 = 6,440.04/x
  3. Step 3: Cross multiply
    25,159.95x = 37,739.95 × 6,440.04
  4. Step 4: Simplify right side
    25,159.95x = 243,046,771.50
  5. Step 5: Solve for x
    x = 243,046,771.50/25,159.95
  6. Step 6: Final answer
    x = 9,660.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.