Home / 27,437.81-41,108.18-12,615.62

Finding the Fourth Proportional to 27,437.81, 41,108.18 and 12,615.62

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Solution

The fourth proportional to 27,437.81, 41,108.18 and 12,615.62 is: 18,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.81 : 41,108.18 = 12,615.62 : x
  2. Step 2: Convert to fraction form
    27,437.81/41,108.18 = 12,615.62/x
  3. Step 3: Cross multiply
    27,437.81x = 41,108.18 × 12,615.62
  4. Step 4: Simplify right side
    27,437.81x = 518,604,909.15
  5. Step 5: Solve for x
    x = 518,604,909.15/27,437.81
  6. Step 6: Final answer
    x = 18,901.11

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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.