Home / 39,897.28-59,827.52-11,807.29

Finding the Fourth Proportional to 39,897.28, 59,827.52 and 11,807.29

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Solution

The fourth proportional to 39,897.28, 59,827.52 and 11,807.29 is: 17,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,897.28 : 59,827.52 = 11,807.29 : x
  2. Step 2: Convert to fraction form
    39,897.28/59,827.52 = 11,807.29/x
  3. Step 3: Cross multiply
    39,897.28x = 59,827.52 × 11,807.29
  4. Step 4: Simplify right side
    39,897.28x = 706,400,758.57
  5. Step 5: Solve for x
    x = 706,400,758.57/39,897.28
  6. Step 6: Final answer
    x = 17,705.49

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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.