Home / 52,637.20-72,636.24-28,759.12

Finding the Fourth Proportional to 52,637.20, 72,636.24 and 28,759.12

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Solution

The fourth proportional to 52,637.20, 72,636.24 and 28,759.12 is: 39,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.20 : 72,636.24 = 28,759.12 : x
  2. Step 2: Convert to fraction form
    52,637.20/72,636.24 = 28,759.12/x
  3. Step 3: Cross multiply
    52,637.20x = 72,636.24 × 28,759.12
  4. Step 4: Simplify right side
    52,637.20x = 2,088,954,342.51
  5. Step 5: Solve for x
    x = 2,088,954,342.51/52,637.20
  6. Step 6: Final answer
    x = 39,685.89

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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.