Home / 29,001.02-39,965.36-20,602.94

Finding the Fourth Proportional to 29,001.02, 39,965.36 and 20,602.94

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Solution

The fourth proportional to 29,001.02, 39,965.36 and 20,602.94 is: 28,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,001.02 : 39,965.36 = 20,602.94 : x
  2. Step 2: Convert to fraction form
    29,001.02/39,965.36 = 20,602.94/x
  3. Step 3: Cross multiply
    29,001.02x = 39,965.36 × 20,602.94
  4. Step 4: Simplify right side
    29,001.02x = 823,403,914.16
  5. Step 5: Solve for x
    x = 823,403,914.16/29,001.02
  6. Step 6: Final answer
    x = 28,392.24

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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.