Home / 27,809.56-38,376.87-15,062.50

Finding the Fourth Proportional to 27,809.56, 38,376.87 and 15,062.50

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Solution

The fourth proportional to 27,809.56, 38,376.87 and 15,062.50 is: 20,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.56 : 38,376.87 = 15,062.50 : x
  2. Step 2: Convert to fraction form
    27,809.56/38,376.87 = 15,062.50/x
  3. Step 3: Cross multiply
    27,809.56x = 38,376.87 × 15,062.50
  4. Step 4: Simplify right side
    27,809.56x = 578,051,412.49
  5. Step 5: Solve for x
    x = 578,051,412.49/27,809.56
  6. Step 6: Final answer
    x = 20,786.07

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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.