Home / 52,262.70-72,122.81-28,389.57

Finding the Fourth Proportional to 52,262.70, 72,122.81 and 28,389.57

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Solution

The fourth proportional to 52,262.70, 72,122.81 and 28,389.57 is: 39,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.70 : 72,122.81 = 28,389.57 : x
  2. Step 2: Convert to fraction form
    52,262.70/72,122.81 = 28,389.57/x
  3. Step 3: Cross multiply
    52,262.70x = 72,122.81 × 28,389.57
  4. Step 4: Simplify right side
    52,262.70x = 2,047,535,421.14
  5. Step 5: Solve for x
    x = 2,047,535,421.14/52,262.70
  6. Step 6: Final answer
    x = 39,177.76

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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.