Home / 28,427.02-42,585.11-17,306.12

Finding the Fourth Proportional to 28,427.02, 42,585.11 and 17,306.12

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Solution

The fourth proportional to 28,427.02, 42,585.11 and 17,306.12 is: 25,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427.02 : 42,585.11 = 17,306.12 : x
  2. Step 2: Convert to fraction form
    28,427.02/42,585.11 = 17,306.12/x
  3. Step 3: Cross multiply
    28,427.02x = 42,585.11 × 17,306.12
  4. Step 4: Simplify right side
    28,427.02x = 736,983,108.70
  5. Step 5: Solve for x
    x = 736,983,108.70/28,427.02
  6. Step 6: Final answer
    x = 25,925.45

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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.