Home / 28,669.66-42,957.74-17,553.04

Finding the Fourth Proportional to 28,669.66, 42,957.74 and 17,553.04

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Solution

The fourth proportional to 28,669.66, 42,957.74 and 17,553.04 is: 26,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.66 : 42,957.74 = 17,553.04 : x
  2. Step 2: Convert to fraction form
    28,669.66/42,957.74 = 17,553.04/x
  3. Step 3: Cross multiply
    28,669.66x = 42,957.74 × 17,553.04
  4. Step 4: Simplify right side
    28,669.66x = 754,038,928.53
  5. Step 5: Solve for x
    x = 754,038,928.53/28,669.66
  6. Step 6: Final answer
    x = 26,300.94

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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.