Home / 27,869.04-38,459.46-15,122.52

Finding the Fourth Proportional to 27,869.04, 38,459.46 and 15,122.52

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Solution

The fourth proportional to 27,869.04, 38,459.46 and 15,122.52 is: 20,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,869.04 : 38,459.46 = 15,122.52 : x
  2. Step 2: Convert to fraction form
    27,869.04/38,459.46 = 15,122.52/x
  3. Step 3: Cross multiply
    27,869.04x = 38,459.46 × 15,122.52
  4. Step 4: Simplify right side
    27,869.04x = 581,603,953.04
  5. Step 5: Solve for x
    x = 581,603,953.04/27,869.04
  6. Step 6: Final answer
    x = 20,869.18

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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.