Home / 18,526.15-27,785.84-5,017.58

Finding the Fourth Proportional to 18,526.15, 27,785.84 and 5,017.58

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Solution

The fourth proportional to 18,526.15, 27,785.84 and 5,017.58 is: 7,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.15 : 27,785.84 = 5,017.58 : x
  2. Step 2: Convert to fraction form
    18,526.15/27,785.84 = 5,017.58/x
  3. Step 3: Cross multiply
    18,526.15x = 27,785.84 × 5,017.58
  4. Step 4: Simplify right side
    18,526.15x = 139,417,615.25
  5. Step 5: Solve for x
    x = 139,417,615.25/18,526.15
  6. Step 6: Final answer
    x = 7,525.45

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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.