Home / 25,442.64-35,110.80-14,830.20

Finding the Fourth Proportional to 25,442.64, 35,110.80 and 14,830.20

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Solution

The fourth proportional to 25,442.64, 35,110.80 and 14,830.20 is: 20,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.64 : 35,110.80 = 14,830.20 : x
  2. Step 2: Convert to fraction form
    25,442.64/35,110.80 = 14,830.20/x
  3. Step 3: Cross multiply
    25,442.64x = 35,110.80 × 14,830.20
  4. Step 4: Simplify right side
    25,442.64x = 520,700,186.16
  5. Step 5: Solve for x
    x = 520,700,186.16/25,442.64
  6. Step 6: Final answer
    x = 20,465.65

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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.