Home / 27,586.40-38,069.52-15,011.12

Finding the Fourth Proportional to 27,586.40, 38,069.52 and 15,011.12

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Solution

The fourth proportional to 27,586.40, 38,069.52 and 15,011.12 is: 20,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.40 : 38,069.52 = 15,011.12 : x
  2. Step 2: Convert to fraction form
    27,586.40/38,069.52 = 15,011.12/x
  3. Step 3: Cross multiply
    27,586.40x = 38,069.52 × 15,011.12
  4. Step 4: Simplify right side
    27,586.40x = 571,466,133.06
  5. Step 5: Solve for x
    x = 571,466,133.06/27,586.40
  6. Step 6: Final answer
    x = 20,715.50

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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.