Home / 28,566.98-39,404.05-17,938.16

Finding the Fourth Proportional to 28,566.98, 39,404.05 and 17,938.16

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Solution

The fourth proportional to 28,566.98, 39,404.05 and 17,938.16 is: 24,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.98 : 39,404.05 = 17,938.16 : x
  2. Step 2: Convert to fraction form
    28,566.98/39,404.05 = 17,938.16/x
  3. Step 3: Cross multiply
    28,566.98x = 39,404.05 × 17,938.16
  4. Step 4: Simplify right side
    28,566.98x = 706,835,956.53
  5. Step 5: Solve for x
    x = 706,835,956.53/28,566.98
  6. Step 6: Final answer
    x = 24,743.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.