Home / 25,719.52-38,579.37-9,070.51

Finding the Fourth Proportional to 25,719.52, 38,579.37 and 9,070.51

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Solution

The fourth proportional to 25,719.52, 38,579.37 and 9,070.51 is: 13,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.52 : 38,579.37 = 9,070.51 : x
  2. Step 2: Convert to fraction form
    25,719.52/38,579.37 = 9,070.51/x
  3. Step 3: Cross multiply
    25,719.52x = 38,579.37 × 9,070.51
  4. Step 4: Simplify right side
    25,719.52x = 349,934,368.48
  5. Step 5: Solve for x
    x = 349,934,368.48/25,719.52
  6. Step 6: Final answer
    x = 13,605.79

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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.