Home / 28,244.51-38,977.47-15,669.26

Finding the Fourth Proportional to 28,244.51, 38,977.47 and 15,669.26

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Solution

The fourth proportional to 28,244.51, 38,977.47 and 15,669.26 is: 21,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.51 : 38,977.47 = 15,669.26 : x
  2. Step 2: Convert to fraction form
    28,244.51/38,977.47 = 15,669.26/x
  3. Step 3: Cross multiply
    28,244.51x = 38,977.47 × 15,669.26
  4. Step 4: Simplify right side
    28,244.51x = 610,748,111.57
  5. Step 5: Solve for x
    x = 610,748,111.57/28,244.51
  6. Step 6: Final answer
    x = 21,623.60

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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.