Home / 19,005.72-26,235.21-17,012.76

Finding the Fourth Proportional to 19,005.72, 26,235.21 and 17,012.76

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Solution

The fourth proportional to 19,005.72, 26,235.21 and 17,012.76 is: 23,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.72 : 26,235.21 = 17,012.76 : x
  2. Step 2: Convert to fraction form
    19,005.72/26,235.21 = 17,012.76/x
  3. Step 3: Cross multiply
    19,005.72x = 26,235.21 × 17,012.76
  4. Step 4: Simplify right side
    19,005.72x = 446,333,331.28
  5. Step 5: Solve for x
    x = 446,333,331.28/19,005.72
  6. Step 6: Final answer
    x = 23,484.16

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Half scale
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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.