Home / 52,762.24-72,811.25-28,888.40

Finding the Fourth Proportional to 52,762.24, 72,811.25 and 28,888.40

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Solution

The fourth proportional to 52,762.24, 72,811.25 and 28,888.40 is: 39,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,762.24 : 72,811.25 = 28,888.40 : x
  2. Step 2: Convert to fraction form
    52,762.24/72,811.25 = 28,888.40/x
  3. Step 3: Cross multiply
    52,762.24x = 72,811.25 × 28,888.40
  4. Step 4: Simplify right side
    52,762.24x = 2,103,400,660.42
  5. Step 5: Solve for x
    x = 2,103,400,660.42/52,762.24
  6. Step 6: Final answer
    x = 39,865.64

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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.