Home / 28,055.77-42,083.75-8,334.50

Finding the Fourth Proportional to 28,055.77, 42,083.75 and 8,334.50

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Solution

The fourth proportional to 28,055.77, 42,083.75 and 8,334.50 is: 12,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.77 : 42,083.75 = 8,334.50 : x
  2. Step 2: Convert to fraction form
    28,055.77/42,083.75 = 8,334.50/x
  3. Step 3: Cross multiply
    28,055.77x = 42,083.75 × 8,334.50
  4. Step 4: Simplify right side
    28,055.77x = 350,746,824.79
  5. Step 5: Solve for x
    x = 350,746,824.79/28,055.77
  6. Step 6: Final answer
    x = 12,501.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.