Home / 28,412.33-42,623.28-8,686.26

Finding the Fourth Proportional to 28,412.33, 42,623.28 and 8,686.26

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Solution

The fourth proportional to 28,412.33, 42,623.28 and 8,686.26 is: 13,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.33 : 42,623.28 = 8,686.26 : x
  2. Step 2: Convert to fraction form
    28,412.33/42,623.28 = 8,686.26/x
  3. Step 3: Cross multiply
    28,412.33x = 42,623.28 × 8,686.26
  4. Step 4: Simplify right side
    28,412.33x = 370,236,892.13
  5. Step 5: Solve for x
    x = 370,236,892.13/28,412.33
  6. Step 6: Final answer
    x = 13,030.86

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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.