Home / 27,290.89-37,658.76-15,353.98

Finding the Fourth Proportional to 27,290.89, 37,658.76 and 15,353.98

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Solution

The fourth proportional to 27,290.89, 37,658.76 and 15,353.98 is: 21,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.89 : 37,658.76 = 15,353.98 : x
  2. Step 2: Convert to fraction form
    27,290.89/37,658.76 = 15,353.98/x
  3. Step 3: Cross multiply
    27,290.89x = 37,658.76 × 15,353.98
  4. Step 4: Simplify right side
    27,290.89x = 578,211,847.86
  5. Step 5: Solve for x
    x = 578,211,847.86/27,290.89
  6. Step 6: Final answer
    x = 21,186.99

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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.