Home / 52,427.20-72,350.40-28,554.34

Finding the Fourth Proportional to 52,427.20, 72,350.40 and 28,554.34

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Solution

The fourth proportional to 52,427.20, 72,350.40 and 28,554.34 is: 39,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,427.20 : 72,350.40 = 28,554.34 : x
  2. Step 2: Convert to fraction form
    52,427.20/72,350.40 = 28,554.34/x
  3. Step 3: Cross multiply
    52,427.20x = 72,350.40 × 28,554.34
  4. Step 4: Simplify right side
    52,427.20x = 2,065,917,920.74
  5. Step 5: Solve for x
    x = 2,065,917,920.74/52,427.20
  6. Step 6: Final answer
    x = 39,405.46

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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.