Home / 28,313.70-39,073.36-15,567.42

Finding the Fourth Proportional to 28,313.70, 39,073.36 and 15,567.42

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Solution

The fourth proportional to 28,313.70, 39,073.36 and 15,567.42 is: 21,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.70 : 39,073.36 = 15,567.42 : x
  2. Step 2: Convert to fraction form
    28,313.70/39,073.36 = 15,567.42/x
  3. Step 3: Cross multiply
    28,313.70x = 39,073.36 × 15,567.42
  4. Step 4: Simplify right side
    28,313.70x = 608,271,405.93
  5. Step 5: Solve for x
    x = 608,271,405.93/28,313.70
  6. Step 6: Final answer
    x = 21,483.29

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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.