Home / 28,529.89-42,585.80-25,163.18

Finding the Fourth Proportional to 28,529.89, 42,585.80 and 25,163.18

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Solution

The fourth proportional to 28,529.89, 42,585.80 and 25,163.18 is: 37,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.89 : 42,585.80 = 25,163.18 : x
  2. Step 2: Convert to fraction form
    28,529.89/42,585.80 = 25,163.18/x
  3. Step 3: Cross multiply
    28,529.89x = 42,585.80 × 25,163.18
  4. Step 4: Simplify right side
    28,529.89x = 1,071,594,000.82
  5. Step 5: Solve for x
    x = 1,071,594,000.82/28,529.89
  6. Step 6: Final answer
    x = 37,560.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.