Home / 52,330.78-72,216.96-28,457.68

Finding the Fourth Proportional to 52,330.78, 72,216.96 and 28,457.68

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Solution

The fourth proportional to 52,330.78, 72,216.96 and 28,457.68 is: 39,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,330.78 : 72,216.96 = 28,457.68 : x
  2. Step 2: Convert to fraction form
    52,330.78/72,216.96 = 28,457.68/x
  3. Step 3: Cross multiply
    52,330.78x = 72,216.96 × 28,457.68
  4. Step 4: Simplify right side
    52,330.78x = 2,055,127,138.25
  5. Step 5: Solve for x
    x = 2,055,127,138.25/52,330.78
  6. Step 6: Final answer
    x = 39,271.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.