Home / 52,734.40-72,775.20-28,862.56

Finding the Fourth Proportional to 52,734.40, 72,775.20 and 28,862.56

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Solution

The fourth proportional to 52,734.40, 72,775.20 and 28,862.56 is: 39,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,734.40 : 72,775.20 = 28,862.56 : x
  2. Step 2: Convert to fraction form
    52,734.40/72,775.20 = 28,862.56/x
  3. Step 3: Cross multiply
    52,734.40x = 72,775.20 × 28,862.56
  4. Step 4: Simplify right side
    52,734.40x = 2,100,478,576.51
  5. Step 5: Solve for x
    x = 2,100,478,576.51/52,734.40
  6. Step 6: Final answer
    x = 39,831.28

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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.