Home / 27,915.81-41,873.72-13,113.87

Finding the Fourth Proportional to 27,915.81, 41,873.72 and 13,113.87

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Solution

The fourth proportional to 27,915.81, 41,873.72 and 13,113.87 is: 19,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.81 : 41,873.72 = 13,113.87 : x
  2. Step 2: Convert to fraction form
    27,915.81/41,873.72 = 13,113.87/x
  3. Step 3: Cross multiply
    27,915.81x = 41,873.72 × 13,113.87
  4. Step 4: Simplify right side
    27,915.81x = 549,126,520.50
  5. Step 5: Solve for x
    x = 549,126,520.50/27,915.81
  6. Step 6: Final answer
    x = 19,670.81

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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.