Home / 22,985.80-34,478.70-19,097.80

Finding the Fourth Proportional to 22,985.80, 34,478.70 and 19,097.80

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Solution

The fourth proportional to 22,985.80, 34,478.70 and 19,097.80 is: 28,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.80 : 34,478.70 = 19,097.80 : x
  2. Step 2: Convert to fraction form
    22,985.80/34,478.70 = 19,097.80/x
  3. Step 3: Cross multiply
    22,985.80x = 34,478.70 × 19,097.80
  4. Step 4: Simplify right side
    22,985.80x = 658,467,316.86
  5. Step 5: Solve for x
    x = 658,467,316.86/22,985.80
  6. Step 6: Final answer
    x = 28,646.70

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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.