Home / 27,529.92-37,984.80-15,590.76

Finding the Fourth Proportional to 27,529.92, 37,984.80 and 15,590.76

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Solution

The fourth proportional to 27,529.92, 37,984.80 and 15,590.76 is: 21,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,529.92 : 37,984.80 = 15,590.76 : x
  2. Step 2: Convert to fraction form
    27,529.92/37,984.80 = 15,590.76/x
  3. Step 3: Cross multiply
    27,529.92x = 37,984.80 × 15,590.76
  4. Step 4: Simplify right side
    27,529.92x = 592,211,900.45
  5. Step 5: Solve for x
    x = 592,211,900.45/27,529.92
  6. Step 6: Final answer
    x = 21,511.57

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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.