Home / 28,400.08-42,599.76-9,675.04

Finding the Fourth Proportional to 28,400.08, 42,599.76 and 9,675.04

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Solution

The fourth proportional to 28,400.08, 42,599.76 and 9,675.04 is: 14,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.08 : 42,599.76 = 9,675.04 : x
  2. Step 2: Convert to fraction form
    28,400.08/42,599.76 = 9,675.04/x
  3. Step 3: Cross multiply
    28,400.08x = 42,599.76 × 9,675.04
  4. Step 4: Simplify right side
    28,400.08x = 412,154,381.99
  5. Step 5: Solve for x
    x = 412,154,381.99/28,400.08
  6. Step 6: Final answer
    x = 14,512.44

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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.