Home / 27,835.33-38,411.87-15,736.28

Finding the Fourth Proportional to 27,835.33, 38,411.87 and 15,736.28

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Solution

The fourth proportional to 27,835.33, 38,411.87 and 15,736.28 is: 21,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.33 : 38,411.87 = 15,736.28 : x
  2. Step 2: Convert to fraction form
    27,835.33/38,411.87 = 15,736.28/x
  3. Step 3: Cross multiply
    27,835.33x = 38,411.87 × 15,736.28
  4. Step 4: Simplify right side
    27,835.33x = 604,459,941.64
  5. Step 5: Solve for x
    x = 604,459,941.64/27,835.33
  6. Step 6: Final answer
    x = 21,715.57

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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.