Home / 25,117.68-34,661.72-13,787.16

Finding the Fourth Proportional to 25,117.68, 34,661.72 and 13,787.16

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Solution

The fourth proportional to 25,117.68, 34,661.72 and 13,787.16 is: 19,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.68 : 34,661.72 = 13,787.16 : x
  2. Step 2: Convert to fraction form
    25,117.68/34,661.72 = 13,787.16/x
  3. Step 3: Cross multiply
    25,117.68x = 34,661.72 × 13,787.16
  4. Step 4: Simplify right side
    25,117.68x = 477,886,679.52
  5. Step 5: Solve for x
    x = 477,886,679.52/25,117.68
  6. Step 6: Final answer
    x = 19,025.91

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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.