Home / 28,269.18-39,009.70-16,330.58

Finding the Fourth Proportional to 28,269.18, 39,009.70 and 16,330.58

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Solution

The fourth proportional to 28,269.18, 39,009.70 and 16,330.58 is: 22,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.18 : 39,009.70 = 16,330.58 : x
  2. Step 2: Convert to fraction form
    28,269.18/39,009.70 = 16,330.58/x
  3. Step 3: Cross multiply
    28,269.18x = 39,009.70 × 16,330.58
  4. Step 4: Simplify right side
    28,269.18x = 637,051,026.63
  5. Step 5: Solve for x
    x = 637,051,026.63/28,269.18
  6. Step 6: Final answer
    x = 22,535.18

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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.