Home / 27,964-38,590.59-15,389.02

Finding the Fourth Proportional to 27,964, 38,590.59 and 15,389.02

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Solution

The fourth proportional to 27,964, 38,590.59 and 15,389.02 is: 21,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964 : 38,590.59 = 15,389.02 : x
  2. Step 2: Convert to fraction form
    27,964/38,590.59 = 15,389.02/x
  3. Step 3: Cross multiply
    27,964x = 38,590.59 × 15,389.02
  4. Step 4: Simplify right side
    27,964x = 593,871,361.32
  5. Step 5: Solve for x
    x = 593,871,361.32/27,964
  6. Step 6: Final answer
    x = 21,237.00

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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.