Home / 28,667.63-43,001.90-10,898.56

Finding the Fourth Proportional to 28,667.63, 43,001.90 and 10,898.56

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Solution

The fourth proportional to 28,667.63, 43,001.90 and 10,898.56 is: 16,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.63 : 43,001.90 = 10,898.56 : x
  2. Step 2: Convert to fraction form
    28,667.63/43,001.90 = 10,898.56/x
  3. Step 3: Cross multiply
    28,667.63x = 43,001.90 × 10,898.56
  4. Step 4: Simplify right side
    28,667.63x = 468,658,554.86
  5. Step 5: Solve for x
    x = 468,658,554.86/28,667.63
  6. Step 6: Final answer
    x = 16,348.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.