Home / 27,108.72-40,631.90-10,461.40

Finding the Fourth Proportional to 27,108.72, 40,631.90 and 10,461.40

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Solution

The fourth proportional to 27,108.72, 40,631.90 and 10,461.40 is: 15,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.72 : 40,631.90 = 10,461.40 : x
  2. Step 2: Convert to fraction form
    27,108.72/40,631.90 = 10,461.40/x
  3. Step 3: Cross multiply
    27,108.72x = 40,631.90 × 10,461.40
  4. Step 4: Simplify right side
    27,108.72x = 425,066,404.77
  5. Step 5: Solve for x
    x = 425,066,404.77/27,108.72
  6. Step 6: Final answer
    x = 15,680.06

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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.