Home / 35,911.28-53,816.51-28,381.74

Finding the Fourth Proportional to 35,911.28, 53,816.51 and 28,381.74

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Solution

The fourth proportional to 35,911.28, 53,816.51 and 28,381.74 is: 42,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.28 : 53,816.51 = 28,381.74 : x
  2. Step 2: Convert to fraction form
    35,911.28/53,816.51 = 28,381.74/x
  3. Step 3: Cross multiply
    35,911.28x = 53,816.51 × 28,381.74
  4. Step 4: Simplify right side
    35,911.28x = 1,527,406,052.62
  5. Step 5: Solve for x
    x = 1,527,406,052.62/35,911.28
  6. Step 6: Final answer
    x = 42,532.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.