Home / 27,388.95-37,798.07-16,779.16

Finding the Fourth Proportional to 27,388.95, 37,798.07 and 16,779.16

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Solution

The fourth proportional to 27,388.95, 37,798.07 and 16,779.16 is: 23,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.95 : 37,798.07 = 16,779.16 : x
  2. Step 2: Convert to fraction form
    27,388.95/37,798.07 = 16,779.16/x
  3. Step 3: Cross multiply
    27,388.95x = 37,798.07 × 16,779.16
  4. Step 4: Simplify right side
    27,388.95x = 634,219,864.22
  5. Step 5: Solve for x
    x = 634,219,864.22/27,388.95
  6. Step 6: Final answer
    x = 23,156.05

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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.