Home / 52,641.04-72,642.48-28,768.52

Finding the Fourth Proportional to 52,641.04, 72,642.48 and 28,768.52

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Solution

The fourth proportional to 52,641.04, 72,642.48 and 28,768.52 is: 39,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,641.04 : 72,642.48 = 28,768.52 : x
  2. Step 2: Convert to fraction form
    52,641.04/72,642.48 = 28,768.52/x
  3. Step 3: Cross multiply
    52,641.04x = 72,642.48 × 28,768.52
  4. Step 4: Simplify right side
    52,641.04x = 2,089,816,638.73
  5. Step 5: Solve for x
    x = 2,089,816,638.73/52,641.04
  6. Step 6: Final answer
    x = 39,699.38

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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.