Home / 25,925.70-38,871.80-14,235.78

Finding the Fourth Proportional to 25,925.70, 38,871.80 and 14,235.78

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Solution

The fourth proportional to 25,925.70, 38,871.80 and 14,235.78 is: 21,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.70 : 38,871.80 = 14,235.78 : x
  2. Step 2: Convert to fraction form
    25,925.70/38,871.80 = 14,235.78/x
  3. Step 3: Cross multiply
    25,925.70x = 38,871.80 × 14,235.78
  4. Step 4: Simplify right side
    25,925.70x = 553,370,393.00
  5. Step 5: Solve for x
    x = 553,370,393.00/25,925.70
  6. Step 6: Final answer
    x = 21,344.47

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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.