Home / 26,442.32-36,528.36-21,130.16

Finding the Fourth Proportional to 26,442.32, 36,528.36 and 21,130.16

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Solution

The fourth proportional to 26,442.32, 36,528.36 and 21,130.16 is: 29,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.32 : 36,528.36 = 21,130.16 : x
  2. Step 2: Convert to fraction form
    26,442.32/36,528.36 = 21,130.16/x
  3. Step 3: Cross multiply
    26,442.32x = 36,528.36 × 21,130.16
  4. Step 4: Simplify right side
    26,442.32x = 771,850,091.34
  5. Step 5: Solve for x
    x = 771,850,091.34/26,442.32
  6. Step 6: Final answer
    x = 29,189.95

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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.