Home / 28,353.99-42,537.06-8,634.18

Finding the Fourth Proportional to 28,353.99, 42,537.06 and 8,634.18

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Solution

The fourth proportional to 28,353.99, 42,537.06 and 8,634.18 is: 12,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.99 : 42,537.06 = 8,634.18 : x
  2. Step 2: Convert to fraction form
    28,353.99/42,537.06 = 8,634.18/x
  3. Step 3: Cross multiply
    28,353.99x = 42,537.06 × 8,634.18
  4. Step 4: Simplify right side
    28,353.99x = 367,272,632.71
  5. Step 5: Solve for x
    x = 367,272,632.71/28,353.99
  6. Step 6: Final answer
    x = 12,953.12

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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.