Home / 26,160.16-36,100.90-15,411.28

Finding the Fourth Proportional to 26,160.16, 36,100.90 and 15,411.28

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Solution

The fourth proportional to 26,160.16, 36,100.90 and 15,411.28 is: 21,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,160.16 : 36,100.90 = 15,411.28 : x
  2. Step 2: Convert to fraction form
    26,160.16/36,100.90 = 15,411.28/x
  3. Step 3: Cross multiply
    26,160.16x = 36,100.90 × 15,411.28
  4. Step 4: Simplify right side
    26,160.16x = 556,361,078.15
  5. Step 5: Solve for x
    x = 556,361,078.15/26,160.16
  6. Step 6: Final answer
    x = 21,267.50

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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.