Home / 26,412.57-36,449.28-15,802.20

Finding the Fourth Proportional to 26,412.57, 36,449.28 and 15,802.20

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Solution

The fourth proportional to 26,412.57, 36,449.28 and 15,802.20 is: 21,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.57 : 36,449.28 = 15,802.20 : x
  2. Step 2: Convert to fraction form
    26,412.57/36,449.28 = 15,802.20/x
  3. Step 3: Cross multiply
    26,412.57x = 36,449.28 × 15,802.20
  4. Step 4: Simplify right side
    26,412.57x = 575,978,812.42
  5. Step 5: Solve for x
    x = 575,978,812.42/26,412.57
  6. Step 6: Final answer
    x = 21,807.00

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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.