Home / 25,155.81-34,715.93-13,826.57

Finding the Fourth Proportional to 25,155.81, 34,715.93 and 13,826.57

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Solution

The fourth proportional to 25,155.81, 34,715.93 and 13,826.57 is: 19,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.81 : 34,715.93 = 13,826.57 : x
  2. Step 2: Convert to fraction form
    25,155.81/34,715.93 = 13,826.57/x
  3. Step 3: Cross multiply
    25,155.81x = 34,715.93 × 13,826.57
  4. Step 4: Simplify right side
    25,155.81x = 480,001,993.55
  5. Step 5: Solve for x
    x = 480,001,993.55/25,155.81
  6. Step 6: Final answer
    x = 19,081.16

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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.