Home / 25,068.76-34,595-13,890.76

Finding the Fourth Proportional to 25,068.76, 34,595 and 13,890.76

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Solution

The fourth proportional to 25,068.76, 34,595 and 13,890.76 is: 19,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,068.76 : 34,595 = 13,890.76 : x
  2. Step 2: Convert to fraction form
    25,068.76/34,595 = 13,890.76/x
  3. Step 3: Cross multiply
    25,068.76x = 34,595 × 13,890.76
  4. Step 4: Simplify right side
    25,068.76x = 480,550,842.20
  5. Step 5: Solve for x
    x = 480,550,842.20/25,068.76
  6. Step 6: Final answer
    x = 19,169.31

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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.