Home / 52,639.77-72,643.86-28,767.99

Finding the Fourth Proportional to 52,639.77, 72,643.86 and 28,767.99

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Solution

The fourth proportional to 52,639.77, 72,643.86 and 28,767.99 is: 39,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.77 : 72,643.86 = 28,767.99 : x
  2. Step 2: Convert to fraction form
    52,639.77/72,643.86 = 28,767.99/x
  3. Step 3: Cross multiply
    52,639.77x = 72,643.86 × 28,767.99
  4. Step 4: Simplify right side
    52,639.77x = 2,089,817,838.04
  5. Step 5: Solve for x
    x = 2,089,817,838.04/52,639.77
  6. Step 6: Final answer
    x = 39,700.36

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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.