Home / 27,423.90-41,123.70-12,637.35

Finding the Fourth Proportional to 27,423.90, 41,123.70 and 12,637.35

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Solution

The fourth proportional to 27,423.90, 41,123.70 and 12,637.35 is: 18,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,423.90 : 41,123.70 = 12,637.35 : x
  2. Step 2: Convert to fraction form
    27,423.90/41,123.70 = 12,637.35/x
  3. Step 3: Cross multiply
    27,423.90x = 41,123.70 × 12,637.35
  4. Step 4: Simplify right side
    27,423.90x = 519,694,590.20
  5. Step 5: Solve for x
    x = 519,694,590.20/27,423.90
  6. Step 6: Final answer
    x = 18,950.43

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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.