Home / 26,416.40-39,611.80-14,717.20

Finding the Fourth Proportional to 26,416.40, 39,611.80 and 14,717.20

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Solution

The fourth proportional to 26,416.40, 39,611.80 and 14,717.20 is: 22,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,416.40 : 39,611.80 = 14,717.20 : x
  2. Step 2: Convert to fraction form
    26,416.40/39,611.80 = 14,717.20/x
  3. Step 3: Cross multiply
    26,416.40x = 39,611.80 × 14,717.20
  4. Step 4: Simplify right side
    26,416.40x = 582,974,782.96
  5. Step 5: Solve for x
    x = 582,974,782.96/26,416.40
  6. Step 6: Final answer
    x = 22,068.67

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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.