Home / 28,312.53-39,073.45-16,982.45

Finding the Fourth Proportional to 28,312.53, 39,073.45 and 16,982.45

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Solution

The fourth proportional to 28,312.53, 39,073.45 and 16,982.45 is: 23,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.53 : 39,073.45 = 16,982.45 : x
  2. Step 2: Convert to fraction form
    28,312.53/39,073.45 = 16,982.45/x
  3. Step 3: Cross multiply
    28,312.53x = 39,073.45 × 16,982.45
  4. Step 4: Simplify right side
    28,312.53x = 663,562,910.95
  5. Step 5: Solve for x
    x = 663,562,910.95/28,312.53
  6. Step 6: Final answer
    x = 23,437.08

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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.