Home / 27,803.62-38,368.80-15,056.51

Finding the Fourth Proportional to 27,803.62, 38,368.80 and 15,056.51

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Solution

The fourth proportional to 27,803.62, 38,368.80 and 15,056.51 is: 20,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.62 : 38,368.80 = 15,056.51 : x
  2. Step 2: Convert to fraction form
    27,803.62/38,368.80 = 15,056.51/x
  3. Step 3: Cross multiply
    27,803.62x = 38,368.80 × 15,056.51
  4. Step 4: Simplify right side
    27,803.62x = 577,700,136.96
  5. Step 5: Solve for x
    x = 577,700,136.96/27,803.62
  6. Step 6: Final answer
    x = 20,777.88

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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.