Home / 34,259.34-47,285.52-20,827.75

Finding the Fourth Proportional to 34,259.34, 47,285.52 and 20,827.75

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Solution

The fourth proportional to 34,259.34, 47,285.52 and 20,827.75 is: 28,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,259.34 : 47,285.52 = 20,827.75 : x
  2. Step 2: Convert to fraction form
    34,259.34/47,285.52 = 20,827.75/x
  3. Step 3: Cross multiply
    34,259.34x = 47,285.52 × 20,827.75
  4. Step 4: Simplify right side
    34,259.34x = 984,850,989.18
  5. Step 5: Solve for x
    x = 984,850,989.18/34,259.34
  6. Step 6: Final answer
    x = 28,746.93

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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.