Home / 27,834.60-38,412.06-15,899.52

Finding the Fourth Proportional to 27,834.60, 38,412.06 and 15,899.52

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Solution

The fourth proportional to 27,834.60, 38,412.06 and 15,899.52 is: 21,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.60 : 38,412.06 = 15,899.52 : x
  2. Step 2: Convert to fraction form
    27,834.60/38,412.06 = 15,899.52/x
  3. Step 3: Cross multiply
    27,834.60x = 38,412.06 × 15,899.52
  4. Step 4: Simplify right side
    27,834.60x = 610,733,316.21
  5. Step 5: Solve for x
    x = 610,733,316.21/27,834.60
  6. Step 6: Final answer
    x = 21,941.52

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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.