Home / 28,210.36-42,319.18-9,482.32

Finding the Fourth Proportional to 28,210.36, 42,319.18 and 9,482.32

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Solution

The fourth proportional to 28,210.36, 42,319.18 and 9,482.32 is: 14,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210.36 : 42,319.18 = 9,482.32 : x
  2. Step 2: Convert to fraction form
    28,210.36/42,319.18 = 9,482.32/x
  3. Step 3: Cross multiply
    28,210.36x = 42,319.18 × 9,482.32
  4. Step 4: Simplify right side
    28,210.36x = 401,284,006.90
  5. Step 5: Solve for x
    x = 401,284,006.90/28,210.36
  6. Step 6: Final answer
    x = 14,224.70

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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.