Home / 28,301.24-42,457.97-8,581.25

Finding the Fourth Proportional to 28,301.24, 42,457.97 and 8,581.25

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Solution

The fourth proportional to 28,301.24, 42,457.97 and 8,581.25 is: 12,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.24 : 42,457.97 = 8,581.25 : x
  2. Step 2: Convert to fraction form
    28,301.24/42,457.97 = 8,581.25/x
  3. Step 3: Cross multiply
    28,301.24x = 42,457.97 × 8,581.25
  4. Step 4: Simplify right side
    28,301.24x = 364,342,264.23
  5. Step 5: Solve for x
    x = 364,342,264.23/28,301.24
  6. Step 6: Final answer
    x = 12,873.72

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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.