Home / 29,007.02-39,973.64-20,608.94

Finding the Fourth Proportional to 29,007.02, 39,973.64 and 20,608.94

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Solution

The fourth proportional to 29,007.02, 39,973.64 and 20,608.94 is: 28,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,007.02 : 39,973.64 = 20,608.94 : x
  2. Step 2: Convert to fraction form
    29,007.02/39,973.64 = 20,608.94/x
  3. Step 3: Cross multiply
    29,007.02x = 39,973.64 × 20,608.94
  4. Step 4: Simplify right side
    29,007.02x = 823,814,348.34
  5. Step 5: Solve for x
    x = 823,814,348.34/29,007.02
  6. Step 6: Final answer
    x = 28,400.52

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1.5x scale

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.