Home / 19,390.16-26,746.44-13,802.96

Finding the Fourth Proportional to 19,390.16, 26,746.44 and 13,802.96

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Solution

The fourth proportional to 19,390.16, 26,746.44 and 13,802.96 is: 19,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.16 : 26,746.44 = 13,802.96 : x
  2. Step 2: Convert to fraction form
    19,390.16/26,746.44 = 13,802.96/x
  3. Step 3: Cross multiply
    19,390.16x = 26,746.44 × 13,802.96
  4. Step 4: Simplify right side
    19,390.16x = 369,180,041.46
  5. Step 5: Solve for x
    x = 369,180,041.46/19,390.16
  6. Step 6: Final answer
    x = 19,039.56

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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.