Home / 28,299.50-39,054.36-16,970.84

Finding the Fourth Proportional to 28,299.50, 39,054.36 and 16,970.84

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Solution

The fourth proportional to 28,299.50, 39,054.36 and 16,970.84 is: 23,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.50 : 39,054.36 = 16,970.84 : x
  2. Step 2: Convert to fraction form
    28,299.50/39,054.36 = 16,970.84/x
  3. Step 3: Cross multiply
    28,299.50x = 39,054.36 × 16,970.84
  4. Step 4: Simplify right side
    28,299.50x = 662,785,294.86
  5. Step 5: Solve for x
    x = 662,785,294.86/28,299.50
  6. Step 6: Final answer
    x = 23,420.39

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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.