Home / 27,453.72-37,886.19-14,878.47

Finding the Fourth Proportional to 27,453.72, 37,886.19 and 14,878.47

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Solution

The fourth proportional to 27,453.72, 37,886.19 and 14,878.47 is: 20,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.72 : 37,886.19 = 14,878.47 : x
  2. Step 2: Convert to fraction form
    27,453.72/37,886.19 = 14,878.47/x
  3. Step 3: Cross multiply
    27,453.72x = 37,886.19 × 14,878.47
  4. Step 4: Simplify right side
    27,453.72x = 563,688,541.33
  5. Step 5: Solve for x
    x = 563,688,541.33/27,453.72
  6. Step 6: Final answer
    x = 20,532.32

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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.