Home / 26,156.16-36,095.40-15,407.28

Finding the Fourth Proportional to 26,156.16, 36,095.40 and 15,407.28

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Solution

The fourth proportional to 26,156.16, 36,095.40 and 15,407.28 is: 21,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.16 : 36,095.40 = 15,407.28 : x
  2. Step 2: Convert to fraction form
    26,156.16/36,095.40 = 15,407.28/x
  3. Step 3: Cross multiply
    26,156.16x = 36,095.40 × 15,407.28
  4. Step 4: Simplify right side
    26,156.16x = 556,131,934.51
  5. Step 5: Solve for x
    x = 556,131,934.51/26,156.16
  6. Step 6: Final answer
    x = 21,261.99

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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.