Home / 38,777.80-58,143.34-17,426.60

Finding the Fourth Proportional to 38,777.80, 58,143.34 and 17,426.60

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Solution

The fourth proportional to 38,777.80, 58,143.34 and 17,426.60 is: 26,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.80 : 58,143.34 = 17,426.60 : x
  2. Step 2: Convert to fraction form
    38,777.80/58,143.34 = 17,426.60/x
  3. Step 3: Cross multiply
    38,777.80x = 58,143.34 × 17,426.60
  4. Step 4: Simplify right side
    38,777.80x = 1,013,240,728.84
  5. Step 5: Solve for x
    x = 1,013,240,728.84/38,777.80
  6. Step 6: Final answer
    x = 26,129.40

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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.