Home / 28,848.48-39,810.96-15,600.48

Finding the Fourth Proportional to 28,848.48, 39,810.96 and 15,600.48

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Solution

The fourth proportional to 28,848.48, 39,810.96 and 15,600.48 is: 21,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.48 : 39,810.96 = 15,600.48 : x
  2. Step 2: Convert to fraction form
    28,848.48/39,810.96 = 15,600.48/x
  3. Step 3: Cross multiply
    28,848.48x = 39,810.96 × 15,600.48
  4. Step 4: Simplify right side
    28,848.48x = 621,070,085.26
  5. Step 5: Solve for x
    x = 621,070,085.26/28,848.48
  6. Step 6: Final answer
    x = 21,528.69

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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.