Home / 28,770.48-39,648.15-23,980.95

Finding the Fourth Proportional to 28,770.48, 39,648.15 and 23,980.95

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Solution

The fourth proportional to 28,770.48, 39,648.15 and 23,980.95 is: 33,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.48 : 39,648.15 = 23,980.95 : x
  2. Step 2: Convert to fraction form
    28,770.48/39,648.15 = 23,980.95/x
  3. Step 3: Cross multiply
    28,770.48x = 39,648.15 × 23,980.95
  4. Step 4: Simplify right side
    28,770.48x = 950,800,302.74
  5. Step 5: Solve for x
    x = 950,800,302.74/28,770.48
  6. Step 6: Final answer
    x = 33,047.77

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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.