Home / 25,545.89-38,283.91-19,300.79

Finding the Fourth Proportional to 25,545.89, 38,283.91 and 19,300.79

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Solution

The fourth proportional to 25,545.89, 38,283.91 and 19,300.79 is: 28,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.89 : 38,283.91 = 19,300.79 : x
  2. Step 2: Convert to fraction form
    25,545.89/38,283.91 = 19,300.79/x
  3. Step 3: Cross multiply
    25,545.89x = 38,283.91 × 19,300.79
  4. Step 4: Simplify right side
    25,545.89x = 738,909,754.75
  5. Step 5: Solve for x
    x = 738,909,754.75/25,545.89
  6. Step 6: Final answer
    x = 28,924.80

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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.