Home / 52,383.78-72,288.18-28,509.84

Finding the Fourth Proportional to 52,383.78, 72,288.18 and 28,509.84

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Solution

The fourth proportional to 52,383.78, 72,288.18 and 28,509.84 is: 39,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,383.78 : 72,288.18 = 28,509.84 : x
  2. Step 2: Convert to fraction form
    52,383.78/72,288.18 = 28,509.84/x
  3. Step 3: Cross multiply
    52,383.78x = 72,288.18 × 28,509.84
  4. Step 4: Simplify right side
    52,383.78x = 2,060,924,445.69
  5. Step 5: Solve for x
    x = 2,060,924,445.69/52,383.78
  6. Step 6: Final answer
    x = 39,342.80

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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.