Home / 25,283.64-34,875.18-15,347.64

Finding the Fourth Proportional to 25,283.64, 34,875.18 and 15,347.64

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Solution

The fourth proportional to 25,283.64, 34,875.18 and 15,347.64 is: 21,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.64 : 34,875.18 = 15,347.64 : x
  2. Step 2: Convert to fraction form
    25,283.64/34,875.18 = 15,347.64/x
  3. Step 3: Cross multiply
    25,283.64x = 34,875.18 × 15,347.64
  4. Step 4: Simplify right side
    25,283.64x = 535,251,707.58
  5. Step 5: Solve for x
    x = 535,251,707.58/25,283.64
  6. Step 6: Final answer
    x = 21,169.88

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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.