Home / 52,760.85-72,809.96-28,887.51

Finding the Fourth Proportional to 52,760.85, 72,809.96 and 28,887.51

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Solution

The fourth proportional to 52,760.85, 72,809.96 and 28,887.51 is: 39,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.85 : 72,809.96 = 28,887.51 : x
  2. Step 2: Convert to fraction form
    52,760.85/72,809.96 = 28,887.51/x
  3. Step 3: Cross multiply
    52,760.85x = 72,809.96 × 28,887.51
  4. Step 4: Simplify right side
    52,760.85x = 2,103,298,303.16
  5. Step 5: Solve for x
    x = 2,103,298,303.16/52,760.85
  6. Step 6: Final answer
    x = 39,864.75

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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.