Home / 39,838.88-55,000.40-26,428.52

Finding the Fourth Proportional to 39,838.88, 55,000.40 and 26,428.52

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Solution

The fourth proportional to 39,838.88, 55,000.40 and 26,428.52 is: 36,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.88 : 55,000.40 = 26,428.52 : x
  2. Step 2: Convert to fraction form
    39,838.88/55,000.40 = 26,428.52/x
  3. Step 3: Cross multiply
    39,838.88x = 55,000.40 × 26,428.52
  4. Step 4: Simplify right side
    39,838.88x = 1,453,579,171.41
  5. Step 5: Solve for x
    x = 1,453,579,171.41/39,838.88
  6. Step 6: Final answer
    x = 36,486.45

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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.