Home / 47,628.93-71,442.95-28,914.15

Finding the Fourth Proportional to 47,628.93, 71,442.95 and 28,914.15

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Solution

The fourth proportional to 47,628.93, 71,442.95 and 28,914.15 is: 43,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,628.93 : 71,442.95 = 28,914.15 : x
  2. Step 2: Convert to fraction form
    47,628.93/71,442.95 = 28,914.15/x
  3. Step 3: Cross multiply
    47,628.93x = 71,442.95 × 28,914.15
  4. Step 4: Simplify right side
    47,628.93x = 2,065,712,028.17
  5. Step 5: Solve for x
    x = 2,065,712,028.17/47,628.93
  6. Step 6: Final answer
    x = 43,370.95

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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.