Home / 28,322.12-42,487.77-9,341.08

Finding the Fourth Proportional to 28,322.12, 42,487.77 and 9,341.08

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Solution

The fourth proportional to 28,322.12, 42,487.77 and 9,341.08 is: 14,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.12 : 42,487.77 = 9,341.08 : x
  2. Step 2: Convert to fraction form
    28,322.12/42,487.77 = 9,341.08/x
  3. Step 3: Cross multiply
    28,322.12x = 42,487.77 × 9,341.08
  4. Step 4: Simplify right side
    28,322.12x = 396,881,747.58
  5. Step 5: Solve for x
    x = 396,881,747.58/28,322.12
  6. Step 6: Final answer
    x = 14,013.14

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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.