Home / 27,490.48-37,938.48-15,555

Finding the Fourth Proportional to 27,490.48, 37,938.48 and 15,555

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Solution

The fourth proportional to 27,490.48, 37,938.48 and 15,555 is: 21,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.48 : 37,938.48 = 15,555 : x
  2. Step 2: Convert to fraction form
    27,490.48/37,938.48 = 15,555/x
  3. Step 3: Cross multiply
    27,490.48x = 37,938.48 × 15,555
  4. Step 4: Simplify right side
    27,490.48x = 590,133,056.40
  5. Step 5: Solve for x
    x = 590,133,056.40/27,490.48
  6. Step 6: Final answer
    x = 21,466.82

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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.