Home / 28,929.07-43,400.01-12,303.37

Finding the Fourth Proportional to 28,929.07, 43,400.01 and 12,303.37

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Solution

The fourth proportional to 28,929.07, 43,400.01 and 12,303.37 is: 18,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.07 : 43,400.01 = 12,303.37 : x
  2. Step 2: Convert to fraction form
    28,929.07/43,400.01 = 12,303.37/x
  3. Step 3: Cross multiply
    28,929.07x = 43,400.01 × 12,303.37
  4. Step 4: Simplify right side
    28,929.07x = 533,966,381.03
  5. Step 5: Solve for x
    x = 533,966,381.03/28,929.07
  6. Step 6: Final answer
    x = 18,457.78

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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.