Home / 28,856.32-43,279.60-8,075.04

Finding the Fourth Proportional to 28,856.32, 43,279.60 and 8,075.04

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Solution

The fourth proportional to 28,856.32, 43,279.60 and 8,075.04 is: 12,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.32 : 43,279.60 = 8,075.04 : x
  2. Step 2: Convert to fraction form
    28,856.32/43,279.60 = 8,075.04/x
  3. Step 3: Cross multiply
    28,856.32x = 43,279.60 × 8,075.04
  4. Step 4: Simplify right side
    28,856.32x = 349,484,501.18
  5. Step 5: Solve for x
    x = 349,484,501.18/28,856.32
  6. Step 6: Final answer
    x = 12,111.19

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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.