Home / 26,008.64-35,888.16-15,398.72

Finding the Fourth Proportional to 26,008.64, 35,888.16 and 15,398.72

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Solution

The fourth proportional to 26,008.64, 35,888.16 and 15,398.72 is: 21,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,008.64 : 35,888.16 = 15,398.72 : x
  2. Step 2: Convert to fraction form
    26,008.64/35,888.16 = 15,398.72/x
  3. Step 3: Cross multiply
    26,008.64x = 35,888.16 × 15,398.72
  4. Step 4: Simplify right side
    26,008.64x = 552,631,727.16
  5. Step 5: Solve for x
    x = 552,631,727.16/26,008.64
  6. Step 6: Final answer
    x = 21,248.01

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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.