Home / 21,574.02-32,373.58-8,425.74

Finding the Fourth Proportional to 21,574.02, 32,373.58 and 8,425.74

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Solution

The fourth proportional to 21,574.02, 32,373.58 and 8,425.74 is: 12,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574.02 : 32,373.58 = 8,425.74 : x
  2. Step 2: Convert to fraction form
    21,574.02/32,373.58 = 8,425.74/x
  3. Step 3: Cross multiply
    21,574.02x = 32,373.58 × 8,425.74
  4. Step 4: Simplify right side
    21,574.02x = 272,771,367.95
  5. Step 5: Solve for x
    x = 272,771,367.95/21,574.02
  6. Step 6: Final answer
    x = 12,643.51

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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.