Home / 43,325.08-64,959.60-28,489.06

Finding the Fourth Proportional to 43,325.08, 64,959.60 and 28,489.06

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Solution

The fourth proportional to 43,325.08, 64,959.60 and 28,489.06 is: 42,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.08 : 64,959.60 = 28,489.06 : x
  2. Step 2: Convert to fraction form
    43,325.08/64,959.60 = 28,489.06/x
  3. Step 3: Cross multiply
    43,325.08x = 64,959.60 × 28,489.06
  4. Step 4: Simplify right side
    43,325.08x = 1,850,637,941.98
  5. Step 5: Solve for x
    x = 1,850,637,941.98/43,325.08
  6. Step 6: Final answer
    x = 42,715.17

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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.