Home / 23,054.72-31,800.48-13,615.52

Finding the Fourth Proportional to 23,054.72, 31,800.48 and 13,615.52

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Solution

The fourth proportional to 23,054.72, 31,800.48 and 13,615.52 is: 18,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,054.72 : 31,800.48 = 13,615.52 : x
  2. Step 2: Convert to fraction form
    23,054.72/31,800.48 = 13,615.52/x
  3. Step 3: Cross multiply
    23,054.72x = 31,800.48 × 13,615.52
  4. Step 4: Simplify right side
    23,054.72x = 432,980,071.45
  5. Step 5: Solve for x
    x = 432,980,071.45/23,054.72
  6. Step 6: Final answer
    x = 18,780.54

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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.