Home / 52,777.80-72,833.40-28,904.49

Finding the Fourth Proportional to 52,777.80, 72,833.40 and 28,904.49

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Solution

The fourth proportional to 52,777.80, 72,833.40 and 28,904.49 is: 39,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.80 : 72,833.40 = 28,904.49 : x
  2. Step 2: Convert to fraction form
    52,777.80/72,833.40 = 28,904.49/x
  3. Step 3: Cross multiply
    52,777.80x = 72,833.40 × 28,904.49
  4. Step 4: Simplify right side
    52,777.80x = 2,105,212,281.97
  5. Step 5: Solve for x
    x = 2,105,212,281.97/52,777.80
  6. Step 6: Final answer
    x = 39,888.22

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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.