Home / 25,928.47-38,859.90-16,564.87

Finding the Fourth Proportional to 25,928.47, 38,859.90 and 16,564.87

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Solution

The fourth proportional to 25,928.47, 38,859.90 and 16,564.87 is: 24,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,928.47 : 38,859.90 = 16,564.87 : x
  2. Step 2: Convert to fraction form
    25,928.47/38,859.90 = 16,564.87/x
  3. Step 3: Cross multiply
    25,928.47x = 38,859.90 × 16,564.87
  4. Step 4: Simplify right side
    25,928.47x = 643,709,191.71
  5. Step 5: Solve for x
    x = 643,709,191.71/25,928.47
  6. Step 6: Final answer
    x = 24,826.35

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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.