Home / 25,117.08-34,659.18-15,045.36

Finding the Fourth Proportional to 25,117.08, 34,659.18 and 15,045.36

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Solution

The fourth proportional to 25,117.08, 34,659.18 and 15,045.36 is: 20,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.08 : 34,659.18 = 15,045.36 : x
  2. Step 2: Convert to fraction form
    25,117.08/34,659.18 = 15,045.36/x
  3. Step 3: Cross multiply
    25,117.08x = 34,659.18 × 15,045.36
  4. Step 4: Simplify right side
    25,117.08x = 521,459,840.40
  5. Step 5: Solve for x
    x = 521,459,840.40/25,117.08
  6. Step 6: Final answer
    x = 20,761.16

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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.