Home / 52,655.22-72,665.25-28,782.90

Finding the Fourth Proportional to 52,655.22, 72,665.25 and 28,782.90

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Solution

The fourth proportional to 52,655.22, 72,665.25 and 28,782.90 is: 39,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,655.22 : 72,665.25 = 28,782.90 : x
  2. Step 2: Convert to fraction form
    52,655.22/72,665.25 = 28,782.90/x
  3. Step 3: Cross multiply
    52,655.22x = 72,665.25 × 28,782.90
  4. Step 4: Simplify right side
    52,655.22x = 2,091,516,624.23
  5. Step 5: Solve for x
    x = 2,091,516,624.23/52,655.22
  6. Step 6: Final answer
    x = 39,720.97

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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.