Home / 37,721.28-56,582.24-11,428.08

Finding the Fourth Proportional to 37,721.28, 56,582.24 and 11,428.08

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Solution

The fourth proportional to 37,721.28, 56,582.24 and 11,428.08 is: 17,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.28 : 56,582.24 = 11,428.08 : x
  2. Step 2: Convert to fraction form
    37,721.28/56,582.24 = 11,428.08/x
  3. Step 3: Cross multiply
    37,721.28x = 56,582.24 × 11,428.08
  4. Step 4: Simplify right side
    37,721.28x = 646,626,365.30
  5. Step 5: Solve for x
    x = 646,626,365.30/37,721.28
  6. Step 6: Final answer
    x = 17,142.22

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1.5x scale

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.