Home / 28,580.37-39,437.88-15,833.19

Finding the Fourth Proportional to 28,580.37, 39,437.88 and 15,833.19

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Solution

The fourth proportional to 28,580.37, 39,437.88 and 15,833.19 is: 21,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.37 : 39,437.88 = 15,833.19 : x
  2. Step 2: Convert to fraction form
    28,580.37/39,437.88 = 15,833.19/x
  3. Step 3: Cross multiply
    28,580.37x = 39,437.88 × 15,833.19
  4. Step 4: Simplify right side
    28,580.37x = 624,427,447.24
  5. Step 5: Solve for x
    x = 624,427,447.24/28,580.37
  6. Step 6: Final answer
    x = 21,848.12

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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.