Home / 28,708.48-43,075.02-12,072.24

Finding the Fourth Proportional to 28,708.48, 43,075.02 and 12,072.24

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Solution

The fourth proportional to 28,708.48, 43,075.02 and 12,072.24 is: 18,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.48 : 43,075.02 = 12,072.24 : x
  2. Step 2: Convert to fraction form
    28,708.48/43,075.02 = 12,072.24/x
  3. Step 3: Cross multiply
    28,708.48x = 43,075.02 × 12,072.24
  4. Step 4: Simplify right side
    28,708.48x = 520,011,922.86
  5. Step 5: Solve for x
    x = 520,011,922.86/28,708.48
  6. Step 6: Final answer
    x = 18,113.53

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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.