Home / 27,129.76-37,442.16-16,525.60

Finding the Fourth Proportional to 27,129.76, 37,442.16 and 16,525.60

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Solution

The fourth proportional to 27,129.76, 37,442.16 and 16,525.60 is: 22,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.76 : 37,442.16 = 16,525.60 : x
  2. Step 2: Convert to fraction form
    27,129.76/37,442.16 = 16,525.60/x
  3. Step 3: Cross multiply
    27,129.76x = 37,442.16 × 16,525.60
  4. Step 4: Simplify right side
    27,129.76x = 618,754,159.30
  5. Step 5: Solve for x
    x = 618,754,159.30/27,129.76
  6. Step 6: Final answer
    x = 22,807.21

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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.