Home / 28,260.01-42,322.65-15,749.02

Finding the Fourth Proportional to 28,260.01, 42,322.65 and 15,749.02

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Solution

The fourth proportional to 28,260.01, 42,322.65 and 15,749.02 is: 23,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260.01 : 42,322.65 = 15,749.02 : x
  2. Step 2: Convert to fraction form
    28,260.01/42,322.65 = 15,749.02/x
  3. Step 3: Cross multiply
    28,260.01x = 42,322.65 × 15,749.02
  4. Step 4: Simplify right side
    28,260.01x = 666,540,261.30
  5. Step 5: Solve for x
    x = 666,540,261.30/28,260.01
  6. Step 6: Final answer
    x = 23,585.99

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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.