Home / 25,802.22-38,711.52-11,761.68

Finding the Fourth Proportional to 25,802.22, 38,711.52 and 11,761.68

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Solution

The fourth proportional to 25,802.22, 38,711.52 and 11,761.68 is: 17,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,802.22 : 38,711.52 = 11,761.68 : x
  2. Step 2: Convert to fraction form
    25,802.22/38,711.52 = 11,761.68/x
  3. Step 3: Cross multiply
    25,802.22x = 38,711.52 × 11,761.68
  4. Step 4: Simplify right side
    25,802.22x = 455,312,510.55
  5. Step 5: Solve for x
    x = 455,312,510.55/25,802.22
  6. Step 6: Final answer
    x = 17,646.25

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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.