Home / 52,428.16-72,350.49-28,554.76

Finding the Fourth Proportional to 52,428.16, 72,350.49 and 28,554.76

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Solution

The fourth proportional to 52,428.16, 72,350.49 and 28,554.76 is: 39,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.16 : 72,350.49 = 28,554.76 : x
  2. Step 2: Convert to fraction form
    52,428.16/72,350.49 = 28,554.76/x
  3. Step 3: Cross multiply
    52,428.16x = 72,350.49 × 28,554.76
  4. Step 4: Simplify right side
    52,428.16x = 2,065,950,877.83
  5. Step 5: Solve for x
    x = 2,065,950,877.83/52,428.16
  6. Step 6: Final answer
    x = 39,405.37

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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.