Home / 28,023.74-38,673.19-15,276.93

Finding the Fourth Proportional to 28,023.74, 38,673.19 and 15,276.93

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Solution

The fourth proportional to 28,023.74, 38,673.19 and 15,276.93 is: 21,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.74 : 38,673.19 = 15,276.93 : x
  2. Step 2: Convert to fraction form
    28,023.74/38,673.19 = 15,276.93/x
  3. Step 3: Cross multiply
    28,023.74x = 38,673.19 × 15,276.93
  4. Step 4: Simplify right side
    28,023.74x = 590,807,616.51
  5. Step 5: Solve for x
    x = 590,807,616.51/28,023.74
  6. Step 6: Final answer
    x = 21,082.40

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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.