Home / 28,937.08-43,412.16-9,216.76

Finding the Fourth Proportional to 28,937.08, 43,412.16 and 9,216.76

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Solution

The fourth proportional to 28,937.08, 43,412.16 and 9,216.76 is: 13,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.08 : 43,412.16 = 9,216.76 : x
  2. Step 2: Convert to fraction form
    28,937.08/43,412.16 = 9,216.76/x
  3. Step 3: Cross multiply
    28,937.08x = 43,412.16 × 9,216.76
  4. Step 4: Simplify right side
    28,937.08x = 400,119,459.80
  5. Step 5: Solve for x
    x = 400,119,459.80/28,937.08
  6. Step 6: Final answer
    x = 13,827.22

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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.