Home / 27,784.48-38,342.63-15,037.67

Finding the Fourth Proportional to 27,784.48, 38,342.63 and 15,037.67

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Solution

The fourth proportional to 27,784.48, 38,342.63 and 15,037.67 is: 20,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.48 : 38,342.63 = 15,037.67 : x
  2. Step 2: Convert to fraction form
    27,784.48/38,342.63 = 15,037.67/x
  3. Step 3: Cross multiply
    27,784.48x = 38,342.63 × 15,037.67
  4. Step 4: Simplify right side
    27,784.48x = 576,583,873.40
  5. Step 5: Solve for x
    x = 576,583,873.40/27,784.48
  6. Step 6: Final answer
    x = 20,752.01

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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.