Home / 28,247.52-38,925.72-20,264.16

Finding the Fourth Proportional to 28,247.52, 38,925.72 and 20,264.16

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Solution

The fourth proportional to 28,247.52, 38,925.72 and 20,264.16 is: 27,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.52 : 38,925.72 = 20,264.16 : x
  2. Step 2: Convert to fraction form
    28,247.52/38,925.72 = 20,264.16/x
  3. Step 3: Cross multiply
    28,247.52x = 38,925.72 × 20,264.16
  4. Step 4: Simplify right side
    28,247.52x = 788,797,018.20
  5. Step 5: Solve for x
    x = 788,797,018.20/28,247.52
  6. Step 6: Final answer
    x = 27,924.47

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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.