Home / 56,483.28-84,780-26,921.52

Finding the Fourth Proportional to 56,483.28, 84,780 and 26,921.52

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Solution

The fourth proportional to 56,483.28, 84,780 and 26,921.52 is: 40,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,483.28 : 84,780 = 26,921.52 : x
  2. Step 2: Convert to fraction form
    56,483.28/84,780 = 26,921.52/x
  3. Step 3: Cross multiply
    56,483.28x = 84,780 × 26,921.52
  4. Step 4: Simplify right side
    56,483.28x = 2,282,406,465.60
  5. Step 5: Solve for x
    x = 2,282,406,465.60/56,483.28
  6. Step 6: Final answer
    x = 40,408.53

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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.