Home / 27,485.92-37,931.25-16,869.52

Finding the Fourth Proportional to 27,485.92, 37,931.25 and 16,869.52

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Solution

The fourth proportional to 27,485.92, 37,931.25 and 16,869.52 is: 23,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.92 : 37,931.25 = 16,869.52 : x
  2. Step 2: Convert to fraction form
    27,485.92/37,931.25 = 16,869.52/x
  3. Step 3: Cross multiply
    27,485.92x = 37,931.25 × 16,869.52
  4. Step 4: Simplify right side
    27,485.92x = 639,881,980.50
  5. Step 5: Solve for x
    x = 639,881,980.50/27,485.92
  6. Step 6: Final answer
    x = 23,280.36

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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.