Home / 52,741.09-72,782.79-28,869.28

Finding the Fourth Proportional to 52,741.09, 72,782.79 and 28,869.28

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Solution

The fourth proportional to 52,741.09, 72,782.79 and 28,869.28 is: 39,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,741.09 : 72,782.79 = 28,869.28 : x
  2. Step 2: Convert to fraction form
    52,741.09/72,782.79 = 28,869.28/x
  3. Step 3: Cross multiply
    52,741.09x = 72,782.79 × 28,869.28
  4. Step 4: Simplify right side
    52,741.09x = 2,101,186,453.47
  5. Step 5: Solve for x
    x = 2,101,186,453.47/52,741.09
  6. Step 6: Final answer
    x = 39,839.65

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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.