Home / 27,320.76-37,703.59-15,991.32

Finding the Fourth Proportional to 27,320.76, 37,703.59 and 15,991.32

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Solution

The fourth proportional to 27,320.76, 37,703.59 and 15,991.32 is: 22,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.76 : 37,703.59 = 15,991.32 : x
  2. Step 2: Convert to fraction form
    27,320.76/37,703.59 = 15,991.32/x
  3. Step 3: Cross multiply
    27,320.76x = 37,703.59 × 15,991.32
  4. Step 4: Simplify right side
    27,320.76x = 602,929,944.34
  5. Step 5: Solve for x
    x = 602,929,944.34/27,320.76
  6. Step 6: Final answer
    x = 22,068.56

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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.