Home / 27,377.78-37,781.34-14,802.50

Finding the Fourth Proportional to 27,377.78, 37,781.34 and 14,802.50

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Solution

The fourth proportional to 27,377.78, 37,781.34 and 14,802.50 is: 20,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.78 : 37,781.34 = 14,802.50 : x
  2. Step 2: Convert to fraction form
    27,377.78/37,781.34 = 14,802.50/x
  3. Step 3: Cross multiply
    27,377.78x = 37,781.34 × 14,802.50
  4. Step 4: Simplify right side
    27,377.78x = 559,258,285.35
  5. Step 5: Solve for x
    x = 559,258,285.35/27,377.78
  6. Step 6: Final answer
    x = 20,427.45

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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.