Home / 25,507.28-35,200.85-15,437.57

Finding the Fourth Proportional to 25,507.28, 35,200.85 and 15,437.57

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Solution

The fourth proportional to 25,507.28, 35,200.85 and 15,437.57 is: 21,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.28 : 35,200.85 = 15,437.57 : x
  2. Step 2: Convert to fraction form
    25,507.28/35,200.85 = 15,437.57/x
  3. Step 3: Cross multiply
    25,507.28x = 35,200.85 × 15,437.57
  4. Step 4: Simplify right side
    25,507.28x = 543,415,332.74
  5. Step 5: Solve for x
    x = 543,415,332.74/25,507.28
  6. Step 6: Final answer
    x = 21,304.32

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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.