Home / 27,807.22-38,373.95-15,060.40

Finding the Fourth Proportional to 27,807.22, 38,373.95 and 15,060.40

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Solution

The fourth proportional to 27,807.22, 38,373.95 and 15,060.40 is: 20,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.22 : 38,373.95 = 15,060.40 : x
  2. Step 2: Convert to fraction form
    27,807.22/38,373.95 = 15,060.40/x
  3. Step 3: Cross multiply
    27,807.22x = 38,373.95 × 15,060.40
  4. Step 4: Simplify right side
    27,807.22x = 577,927,132.51
  5. Step 5: Solve for x
    x = 577,927,132.51/27,807.22
  6. Step 6: Final answer
    x = 20,783.35

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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.