Home / 28,210.03-42,317.34-9,485.03

Finding the Fourth Proportional to 28,210.03, 42,317.34 and 9,485.03

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Solution

The fourth proportional to 28,210.03, 42,317.34 and 9,485.03 is: 14,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210.03 : 42,317.34 = 9,485.03 : x
  2. Step 2: Convert to fraction form
    28,210.03/42,317.34 = 9,485.03/x
  3. Step 3: Cross multiply
    28,210.03x = 42,317.34 × 9,485.03
  4. Step 4: Simplify right side
    28,210.03x = 401,381,345.21
  5. Step 5: Solve for x
    x = 401,381,345.21/28,210.03
  6. Step 6: Final answer
    x = 14,228.32

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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.