Home / 28,822.16-42,981.78-25,636.43

Finding the Fourth Proportional to 28,822.16, 42,981.78 and 25,636.43

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Solution

The fourth proportional to 28,822.16, 42,981.78 and 25,636.43 is: 38,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.16 : 42,981.78 = 25,636.43 : x
  2. Step 2: Convert to fraction form
    28,822.16/42,981.78 = 25,636.43/x
  3. Step 3: Cross multiply
    28,822.16x = 42,981.78 × 25,636.43
  4. Step 4: Simplify right side
    28,822.16x = 1,101,899,179.34
  5. Step 5: Solve for x
    x = 1,101,899,179.34/28,822.16
  6. Step 6: Final answer
    x = 38,230.98

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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.