Home / 28,159.68-38,863.02-16,225.52

Finding the Fourth Proportional to 28,159.68, 38,863.02 and 16,225.52

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Solution

The fourth proportional to 28,159.68, 38,863.02 and 16,225.52 is: 22,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.68 : 38,863.02 = 16,225.52 : x
  2. Step 2: Convert to fraction form
    28,159.68/38,863.02 = 16,225.52/x
  3. Step 3: Cross multiply
    28,159.68x = 38,863.02 × 16,225.52
  4. Step 4: Simplify right side
    28,159.68x = 630,572,708.27
  5. Step 5: Solve for x
    x = 630,572,708.27/28,159.68
  6. Step 6: Final answer
    x = 22,392.75

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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.