Home / 31,966.99-44,133.36-28,420.40

Finding the Fourth Proportional to 31,966.99, 44,133.36 and 28,420.40

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Solution

The fourth proportional to 31,966.99, 44,133.36 and 28,420.40 is: 39,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.99 : 44,133.36 = 28,420.40 : x
  2. Step 2: Convert to fraction form
    31,966.99/44,133.36 = 28,420.40/x
  3. Step 3: Cross multiply
    31,966.99x = 44,133.36 × 28,420.40
  4. Step 4: Simplify right side
    31,966.99x = 1,254,287,744.54
  5. Step 5: Solve for x
    x = 1,254,287,744.54/31,966.99
  6. Step 6: Final answer
    x = 39,236.97

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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.