Home / 28,083.74-42,125.60-19,292.00

Finding the Fourth Proportional to 28,083.74, 42,125.60 and 19,292.00

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Solution

The fourth proportional to 28,083.74, 42,125.60 and 19,292.00 is: 28,937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.74 : 42,125.60 = 19,292.00 : x
  2. Step 2: Convert to fraction form
    28,083.74/42,125.60 = 19,292.00/x
  3. Step 3: Cross multiply
    28,083.74x = 42,125.60 × 19,292.00
  4. Step 4: Simplify right side
    28,083.74x = 812,686,912.80
  5. Step 5: Solve for x
    x = 812,686,912.80/28,083.74
  6. Step 6: Final answer
    x = 28,937.99

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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.