Home / 28,539.19-42,798.22-9,814.06

Finding the Fourth Proportional to 28,539.19, 42,798.22 and 9,814.06

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Solution

The fourth proportional to 28,539.19, 42,798.22 and 9,814.06 is: 14,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539.19 : 42,798.22 = 9,814.06 : x
  2. Step 2: Convert to fraction form
    28,539.19/42,798.22 = 9,814.06/x
  3. Step 3: Cross multiply
    28,539.19x = 42,798.22 × 9,814.06
  4. Step 4: Simplify right side
    28,539.19x = 420,024,383.14
  5. Step 5: Solve for x
    x = 420,024,383.14/28,539.19
  6. Step 6: Final answer
    x = 14,717.46

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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.