Home / 56,723.28-85,089.60-17,280.72

Finding the Fourth Proportional to 56,723.28, 85,089.60 and 17,280.72

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Solution

The fourth proportional to 56,723.28, 85,089.60 and 17,280.72 is: 25,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.28 : 85,089.60 = 17,280.72 : x
  2. Step 2: Convert to fraction form
    56,723.28/85,089.60 = 17,280.72/x
  3. Step 3: Cross multiply
    56,723.28x = 85,089.60 × 17,280.72
  4. Step 4: Simplify right side
    56,723.28x = 1,470,409,552.51
  5. Step 5: Solve for x
    x = 1,470,409,552.51/56,723.28
  6. Step 6: Final answer
    x = 25,922.51

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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.