Home / 28,316.90-39,073.92-15,567.98

Finding the Fourth Proportional to 28,316.90, 39,073.92 and 15,567.98

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Solution

The fourth proportional to 28,316.90, 39,073.92 and 15,567.98 is: 21,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316.90 : 39,073.92 = 15,567.98 : x
  2. Step 2: Convert to fraction form
    28,316.90/39,073.92 = 15,567.98/x
  3. Step 3: Cross multiply
    28,316.90x = 39,073.92 × 15,567.98
  4. Step 4: Simplify right side
    28,316.90x = 608,302,005.08
  5. Step 5: Solve for x
    x = 608,302,005.08/28,316.90
  6. Step 6: Final answer
    x = 21,481.94

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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.