Home / 52,001.56-71,762.07-28,128.16

Finding the Fourth Proportional to 52,001.56, 71,762.07 and 28,128.16

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Solution

The fourth proportional to 52,001.56, 71,762.07 and 28,128.16 is: 38,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.56 : 71,762.07 = 28,128.16 : x
  2. Step 2: Convert to fraction form
    52,001.56/71,762.07 = 28,128.16/x
  3. Step 3: Cross multiply
    52,001.56x = 71,762.07 × 28,128.16
  4. Step 4: Simplify right side
    52,001.56x = 2,018,534,986.89
  5. Step 5: Solve for x
    x = 2,018,534,986.89/52,001.56
  6. Step 6: Final answer
    x = 38,816.82

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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.