Home / 28,126.53-42,210.56-13,335.50

Finding the Fourth Proportional to 28,126.53, 42,210.56 and 13,335.50

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Solution

The fourth proportional to 28,126.53, 42,210.56 and 13,335.50 is: 20,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.53 : 42,210.56 = 13,335.50 : x
  2. Step 2: Convert to fraction form
    28,126.53/42,210.56 = 13,335.50/x
  3. Step 3: Cross multiply
    28,126.53x = 42,210.56 × 13,335.50
  4. Step 4: Simplify right side
    28,126.53x = 562,898,745.17
  5. Step 5: Solve for x
    x = 562,898,745.17/28,126.53
  6. Step 6: Final answer
    x = 20,013.09

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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.