Home / 28,334.51-42,501.75-13,498.46

Finding the Fourth Proportional to 28,334.51, 42,501.75 and 13,498.46

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Solution

The fourth proportional to 28,334.51, 42,501.75 and 13,498.46 is: 20,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.51 : 42,501.75 = 13,498.46 : x
  2. Step 2: Convert to fraction form
    28,334.51/42,501.75 = 13,498.46/x
  3. Step 3: Cross multiply
    28,334.51x = 42,501.75 × 13,498.46
  4. Step 4: Simplify right side
    28,334.51x = 573,708,172.31
  5. Step 5: Solve for x
    x = 573,708,172.31/28,334.51
  6. Step 6: Final answer
    x = 20,247.68

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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.