Home / 28,705.49-43,044.56-10,937.03

Finding the Fourth Proportional to 28,705.49, 43,044.56 and 10,937.03

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Solution

The fourth proportional to 28,705.49, 43,044.56 and 10,937.03 is: 16,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.49 : 43,044.56 = 10,937.03 : x
  2. Step 2: Convert to fraction form
    28,705.49/43,044.56 = 10,937.03/x
  3. Step 3: Cross multiply
    28,705.49x = 43,044.56 × 10,937.03
  4. Step 4: Simplify right side
    28,705.49x = 470,779,476.68
  5. Step 5: Solve for x
    x = 470,779,476.68/28,705.49
  6. Step 6: Final answer
    x = 16,400.33

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1.5x scale

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.