Home / 38,890.77-53,653.30-28,843.94

Finding the Fourth Proportional to 38,890.77, 53,653.30 and 28,843.94

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Solution

The fourth proportional to 38,890.77, 53,653.30 and 28,843.94 is: 39,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.77 : 53,653.30 = 28,843.94 : x
  2. Step 2: Convert to fraction form
    38,890.77/53,653.30 = 28,843.94/x
  3. Step 3: Cross multiply
    38,890.77x = 53,653.30 × 28,843.94
  4. Step 4: Simplify right side
    38,890.77x = 1,547,572,225.63
  5. Step 5: Solve for x
    x = 1,547,572,225.63/38,890.77
  6. Step 6: Final answer
    x = 39,792.79

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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.