Home / 27,883.32-38,479.08-15,136.53

Finding the Fourth Proportional to 27,883.32, 38,479.08 and 15,136.53

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Solution

The fourth proportional to 27,883.32, 38,479.08 and 15,136.53 is: 20,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.32 : 38,479.08 = 15,136.53 : x
  2. Step 2: Convert to fraction form
    27,883.32/38,479.08 = 15,136.53/x
  3. Step 3: Cross multiply
    27,883.32x = 38,479.08 × 15,136.53
  4. Step 4: Simplify right side
    27,883.32x = 582,439,748.79
  5. Step 5: Solve for x
    x = 582,439,748.79/27,883.32
  6. Step 6: Final answer
    x = 20,888.46

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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.