Home / 28,901.95-43,352.93-8,125.45

Finding the Fourth Proportional to 28,901.95, 43,352.93 and 8,125.45

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Solution

The fourth proportional to 28,901.95, 43,352.93 and 8,125.45 is: 12,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.95 : 43,352.93 = 8,125.45 : x
  2. Step 2: Convert to fraction form
    28,901.95/43,352.93 = 8,125.45/x
  3. Step 3: Cross multiply
    28,901.95x = 43,352.93 × 8,125.45
  4. Step 4: Simplify right side
    28,901.95x = 352,262,065.07
  5. Step 5: Solve for x
    x = 352,262,065.07/28,901.95
  6. Step 6: Final answer
    x = 12,188.18

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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.