Home / 19,165.69-28,746.10-14,242.51

Finding the Fourth Proportional to 19,165.69, 28,746.10 and 14,242.51

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Solution

The fourth proportional to 19,165.69, 28,746.10 and 14,242.51 is: 21,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.69 : 28,746.10 = 14,242.51 : x
  2. Step 2: Convert to fraction form
    19,165.69/28,746.10 = 14,242.51/x
  3. Step 3: Cross multiply
    19,165.69x = 28,746.10 × 14,242.51
  4. Step 4: Simplify right side
    19,165.69x = 409,416,616.71
  5. Step 5: Solve for x
    x = 409,416,616.71/19,165.69
  6. Step 6: Final answer
    x = 21,361.96

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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.