Home / 28,971.90-43,453.80-9,252.45

Finding the Fourth Proportional to 28,971.90, 43,453.80 and 9,252.45

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Solution

The fourth proportional to 28,971.90, 43,453.80 and 9,252.45 is: 13,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.90 : 43,453.80 = 9,252.45 : x
  2. Step 2: Convert to fraction form
    28,971.90/43,453.80 = 9,252.45/x
  3. Step 3: Cross multiply
    28,971.90x = 43,453.80 × 9,252.45
  4. Step 4: Simplify right side
    28,971.90x = 402,054,111.81
  5. Step 5: Solve for x
    x = 402,054,111.81/28,971.90
  6. Step 6: Final answer
    x = 13,877.38

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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.