Home / 52,637.73-72,639.63-28,764.20

Finding the Fourth Proportional to 52,637.73, 72,639.63 and 28,764.20

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Solution

The fourth proportional to 52,637.73, 72,639.63 and 28,764.20 is: 39,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.73 : 72,639.63 = 28,764.20 : x
  2. Step 2: Convert to fraction form
    52,637.73/72,639.63 = 28,764.20/x
  3. Step 3: Cross multiply
    52,637.73x = 72,639.63 × 28,764.20
  4. Step 4: Simplify right side
    52,637.73x = 2,089,420,482.05
  5. Step 5: Solve for x
    x = 2,089,420,482.05/52,637.73
  6. Step 6: Final answer
    x = 39,694.35

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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.