Home / 26,541.47-36,623.04-15,208.78

Finding the Fourth Proportional to 26,541.47, 36,623.04 and 15,208.78

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Solution

The fourth proportional to 26,541.47, 36,623.04 and 15,208.78 is: 20,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541.47 : 36,623.04 = 15,208.78 : x
  2. Step 2: Convert to fraction form
    26,541.47/36,623.04 = 15,208.78/x
  3. Step 3: Cross multiply
    26,541.47x = 36,623.04 × 15,208.78
  4. Step 4: Simplify right side
    26,541.47x = 556,991,758.29
  5. Step 5: Solve for x
    x = 556,991,758.29/26,541.47
  6. Step 6: Final answer
    x = 20,985.72

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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.