Home / 19,005.76-26,225.36-10,622.80

Finding the Fourth Proportional to 19,005.76, 26,225.36 and 10,622.80

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Solution

The fourth proportional to 19,005.76, 26,225.36 and 10,622.80 is: 14,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.76 : 26,225.36 = 10,622.80 : x
  2. Step 2: Convert to fraction form
    19,005.76/26,225.36 = 10,622.80/x
  3. Step 3: Cross multiply
    19,005.76x = 26,225.36 × 10,622.80
  4. Step 4: Simplify right side
    19,005.76x = 278,586,754.21
  5. Step 5: Solve for x
    x = 278,586,754.21/19,005.76
  6. Step 6: Final answer
    x = 14,658.02

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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.