Home / 24,789-34,210.65-15,359.40

Finding the Fourth Proportional to 24,789, 34,210.65 and 15,359.40

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Solution

The fourth proportional to 24,789, 34,210.65 and 15,359.40 is: 21,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,789 : 34,210.65 = 15,359.40 : x
  2. Step 2: Convert to fraction form
    24,789/34,210.65 = 15,359.40/x
  3. Step 3: Cross multiply
    24,789x = 34,210.65 × 15,359.40
  4. Step 4: Simplify right side
    24,789x = 525,455,057.61
  5. Step 5: Solve for x
    x = 525,455,057.61/24,789
  6. Step 6: Final answer
    x = 21,197.11

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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.