Home / 38,563.15-53,216.77-21,567.20

Finding the Fourth Proportional to 38,563.15, 53,216.77 and 21,567.20

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Solution

The fourth proportional to 38,563.15, 53,216.77 and 21,567.20 is: 29,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.15 : 53,216.77 = 21,567.20 : x
  2. Step 2: Convert to fraction form
    38,563.15/53,216.77 = 21,567.20/x
  3. Step 3: Cross multiply
    38,563.15x = 53,216.77 × 21,567.20
  4. Step 4: Simplify right side
    38,563.15x = 1,147,736,721.94
  5. Step 5: Solve for x
    x = 1,147,736,721.94/38,563.15
  6. Step 6: Final answer
    x = 29,762.53

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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.