Home / 52,639.52-72,642.26-28,766.21

Finding the Fourth Proportional to 52,639.52, 72,642.26 and 28,766.21

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Solution

The fourth proportional to 52,639.52, 72,642.26 and 28,766.21 is: 39,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.52 : 72,642.26 = 28,766.21 : x
  2. Step 2: Convert to fraction form
    52,639.52/72,642.26 = 28,766.21/x
  3. Step 3: Cross multiply
    52,639.52x = 72,642.26 × 28,766.21
  4. Step 4: Simplify right side
    52,639.52x = 2,089,642,214.74
  5. Step 5: Solve for x
    x = 2,089,642,214.74/52,639.52
  6. Step 6: Final answer
    x = 39,697.22

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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.