Home / 28,326.50-39,091.52-15,580.22

Finding the Fourth Proportional to 28,326.50, 39,091.52 and 15,580.22

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Solution

The fourth proportional to 28,326.50, 39,091.52 and 15,580.22 is: 21,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.50 : 39,091.52 = 15,580.22 : x
  2. Step 2: Convert to fraction form
    28,326.50/39,091.52 = 15,580.22/x
  3. Step 3: Cross multiply
    28,326.50x = 39,091.52 × 15,580.22
  4. Step 4: Simplify right side
    28,326.50x = 609,054,618.41
  5. Step 5: Solve for x
    x = 609,054,618.41/28,326.50
  6. Step 6: Final answer
    x = 21,501.23

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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.