Home / 25,588.40-38,424.28-15,789.92

Finding the Fourth Proportional to 25,588.40, 38,424.28 and 15,789.92

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Solution

The fourth proportional to 25,588.40, 38,424.28 and 15,789.92 is: 23,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,588.40 : 38,424.28 = 15,789.92 : x
  2. Step 2: Convert to fraction form
    25,588.40/38,424.28 = 15,789.92/x
  3. Step 3: Cross multiply
    25,588.40x = 38,424.28 × 15,789.92
  4. Step 4: Simplify right side
    25,588.40x = 606,716,307.26
  5. Step 5: Solve for x
    x = 606,716,307.26/25,588.40
  6. Step 6: Final answer
    x = 23,710.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.