Home / 27,477.02-37,920.33-15,541.58

Finding the Fourth Proportional to 27,477.02, 37,920.33 and 15,541.58

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Solution

The fourth proportional to 27,477.02, 37,920.33 and 15,541.58 is: 21,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.02 : 37,920.33 = 15,541.58 : x
  2. Step 2: Convert to fraction form
    27,477.02/37,920.33 = 15,541.58/x
  3. Step 3: Cross multiply
    27,477.02x = 37,920.33 × 15,541.58
  4. Step 4: Simplify right side
    27,477.02x = 589,341,842.32
  5. Step 5: Solve for x
    x = 589,341,842.32/27,477.02
  6. Step 6: Final answer
    x = 21,448.54

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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.