Home / 28,482.74-42,733.33-13,692.81

Finding the Fourth Proportional to 28,482.74, 42,733.33 and 13,692.81

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Solution

The fourth proportional to 28,482.74, 42,733.33 and 13,692.81 is: 20,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.74 : 42,733.33 = 13,692.81 : x
  2. Step 2: Convert to fraction form
    28,482.74/42,733.33 = 13,692.81/x
  3. Step 3: Cross multiply
    28,482.74x = 42,733.33 × 13,692.81
  4. Step 4: Simplify right side
    28,482.74x = 585,139,410.37
  5. Step 5: Solve for x
    x = 585,139,410.37/28,482.74
  6. Step 6: Final answer
    x = 20,543.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.