Home / 28,693.08-39,580.47-26,663.43

Finding the Fourth Proportional to 28,693.08, 39,580.47 and 26,663.43

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Solution

The fourth proportional to 28,693.08, 39,580.47 and 26,663.43 is: 36,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.08 : 39,580.47 = 26,663.43 : x
  2. Step 2: Convert to fraction form
    28,693.08/39,580.47 = 26,663.43/x
  3. Step 3: Cross multiply
    28,693.08x = 39,580.47 × 26,663.43
  4. Step 4: Simplify right side
    28,693.08x = 1,055,351,091.21
  5. Step 5: Solve for x
    x = 1,055,351,091.21/28,693.08
  6. Step 6: Final answer
    x = 36,780.68

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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.