Home / 25,890.60-38,809.74-10,085.74

Finding the Fourth Proportional to 25,890.60, 38,809.74 and 10,085.74

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Solution

The fourth proportional to 25,890.60, 38,809.74 and 10,085.74 is: 15,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.60 : 38,809.74 = 10,085.74 : x
  2. Step 2: Convert to fraction form
    25,890.60/38,809.74 = 10,085.74/x
  3. Step 3: Cross multiply
    25,890.60x = 38,809.74 × 10,085.74
  4. Step 4: Simplify right side
    25,890.60x = 391,424,947.11
  5. Step 5: Solve for x
    x = 391,424,947.11/25,890.60
  6. Step 6: Final answer
    x = 15,118.42

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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.