Home / 26,407.42-36,441.18-15,802.90

Finding the Fourth Proportional to 26,407.42, 36,441.18 and 15,802.90

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Solution

The fourth proportional to 26,407.42, 36,441.18 and 15,802.90 is: 21,807.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.42 : 36,441.18 = 15,802.90 : x
  2. Step 2: Convert to fraction form
    26,407.42/36,441.18 = 15,802.90/x
  3. Step 3: Cross multiply
    26,407.42x = 36,441.18 × 15,802.90
  4. Step 4: Simplify right side
    26,407.42x = 575,876,323.42
  5. Step 5: Solve for x
    x = 575,876,323.42/26,407.42
  6. Step 6: Final answer
    x = 21,807.37

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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.