Home / 27,929.76-38,543.28-15,182.94

Finding the Fourth Proportional to 27,929.76, 38,543.28 and 15,182.94

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Solution

The fourth proportional to 27,929.76, 38,543.28 and 15,182.94 is: 20,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.76 : 38,543.28 = 15,182.94 : x
  2. Step 2: Convert to fraction form
    27,929.76/38,543.28 = 15,182.94/x
  3. Step 3: Cross multiply
    27,929.76x = 38,543.28 × 15,182.94
  4. Step 4: Simplify right side
    27,929.76x = 585,200,307.64
  5. Step 5: Solve for x
    x = 585,200,307.64/27,929.76
  6. Step 6: Final answer
    x = 20,952.57

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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.