Home / 38,945.80-58,422.30-15,567.40

Finding the Fourth Proportional to 38,945.80, 58,422.30 and 15,567.40

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Solution

The fourth proportional to 38,945.80, 58,422.30 and 15,567.40 is: 23,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.80 : 58,422.30 = 15,567.40 : x
  2. Step 2: Convert to fraction form
    38,945.80/58,422.30 = 15,567.40/x
  3. Step 3: Cross multiply
    38,945.80x = 58,422.30 × 15,567.40
  4. Step 4: Simplify right side
    38,945.80x = 909,483,313.02
  5. Step 5: Solve for x
    x = 909,483,313.02/38,945.80
  6. Step 6: Final answer
    x = 23,352.54

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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.