Home / 26,521.32-39,779.40-8,989.08

Finding the Fourth Proportional to 26,521.32, 39,779.40 and 8,989.08

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Solution

The fourth proportional to 26,521.32, 39,779.40 and 8,989.08 is: 13,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.32 : 39,779.40 = 8,989.08 : x
  2. Step 2: Convert to fraction form
    26,521.32/39,779.40 = 8,989.08/x
  3. Step 3: Cross multiply
    26,521.32x = 39,779.40 × 8,989.08
  4. Step 4: Simplify right side
    26,521.32x = 357,580,208.95
  5. Step 5: Solve for x
    x = 357,580,208.95/26,521.32
  6. Step 6: Final answer
    x = 13,482.75

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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.